[libvirt PATCH 1/2] lxc: replace VIR_FREE with g_autofree / g_free
Daniel P. Berrangé
berrange at redhat.com
Wed May 13 16:22:40 UTC 2020
Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
---
src/lxc/lxc_cgroup.c | 14 +--
src/lxc/lxc_conf.c | 15 +--
src/lxc/lxc_container.c | 256 ++++++++++++++-------------------------
src/lxc/lxc_controller.c | 126 ++++++++-----------
src/lxc/lxc_domain.c | 24 ++--
src/lxc/lxc_driver.c | 60 ++++-----
src/lxc/lxc_fuse.c | 8 +-
src/lxc/lxc_monitor.c | 7 +-
src/lxc/lxc_native.c | 72 ++++++-----
src/lxc/lxc_process.c | 124 ++++++++-----------
10 files changed, 269 insertions(+), 437 deletions(-)
diff --git a/src/lxc/lxc_cgroup.c b/src/lxc/lxc_cgroup.c
index 7df723a4da..4ae34925e6 100644
--- a/src/lxc/lxc_cgroup.c
+++ b/src/lxc/lxc_cgroup.c
@@ -387,16 +387,16 @@ virCgroupPtr virLXCCgroupCreate(virDomainDefPtr def,
int *nicindexes)
{
virCgroupPtr cgroup = NULL;
- char *machineName = virLXCDomainGetMachineName(def, 0);
+ g_autofree char *machineName = virLXCDomainGetMachineName(def, 0);
if (!machineName)
- goto cleanup;
+ return NULL;
if (def->resource->partition[0] != '/') {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Resource partition '%s' must start with '/'"),
def->resource->partition);
- goto cleanup;
+ return NULL;
}
if (virCgroupNewMachine(machineName,
@@ -410,7 +410,7 @@ virCgroupPtr virLXCCgroupCreate(virDomainDefPtr def,
-1,
0,
&cgroup) < 0)
- goto cleanup;
+ return NULL;
/* setup control group permissions for user namespace */
if (def->idmap.uidmap) {
@@ -419,14 +419,10 @@ virCgroupPtr virLXCCgroupCreate(virDomainDefPtr def,
def->idmap.gidmap[0].target,
(1 << VIR_CGROUP_CONTROLLER_SYSTEMD)) < 0) {
virCgroupFree(&cgroup);
- cgroup = NULL;
- goto cleanup;
+ return NULL;
}
}
- cleanup:
- VIR_FREE(machineName);
-
return cgroup;
}
diff --git a/src/lxc/lxc_conf.c b/src/lxc/lxc_conf.c
index 8469f30b9e..43e9b70651 100644
--- a/src/lxc/lxc_conf.c
+++ b/src/lxc/lxc_conf.c
@@ -62,7 +62,7 @@ virCapsPtr virLXCDriverCapsInit(virLXCDriverPtr driver)
virCapsPtr caps;
virCapsGuestPtr guest;
virArch altArch;
- char *lxc_path = NULL;
+ g_autofree char *lxc_path = NULL;
if ((caps = virCapabilitiesNew(virArchFromHost(),
false, false)) == NULL)
@@ -135,8 +135,6 @@ virCapsPtr virLXCDriverCapsInit(virLXCDriverPtr driver)
goto error;
}
- VIR_FREE(lxc_path);
-
if (driver) {
/* Security driver data */
const char *doi, *model, *label, *type;
@@ -167,7 +165,6 @@ virCapsPtr virLXCDriverCapsInit(virLXCDriverPtr driver)
return caps;
error:
- VIR_FREE(lxc_path);
virObjectUnref(caps);
return NULL;
}
@@ -290,9 +287,9 @@ virLXCDriverConfigDispose(void *obj)
{
virLXCDriverConfigPtr cfg = obj;
- VIR_FREE(cfg->configDir);
- VIR_FREE(cfg->autostartDir);
- VIR_FREE(cfg->stateDir);
- VIR_FREE(cfg->logDir);
- VIR_FREE(cfg->securityDriverName);
+ g_free(cfg->configDir);
+ g_free(cfg->autostartDir);
+ g_free(cfg->stateDir);
+ g_free(cfg->logDir);
+ g_free(cfg->securityDriverName);
}
diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
index 1c28ecfdb7..bd78fa7af6 100644
--- a/src/lxc/lxc_container.c
+++ b/src/lxc/lxc_container.c
@@ -136,8 +136,8 @@ int lxcContainerHasReboot(void)
CLONE_NEWIPC|SIGCHLD;
int cpid;
char *childStack;
- char *stack;
- char *buf;
+ g_autofree char *stack = NULL;
+ g_autofree char *buf = NULL;
int cmd, v;
int status;
char *tmp;
@@ -152,10 +152,8 @@ int lxcContainerHasReboot(void)
if (virStrToLong_i(buf, NULL, 10, &v) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Malformed ctrl-alt-del setting '%s'"), buf);
- VIR_FREE(buf);
return -1;
}
- VIR_FREE(buf);
cmd = v ? LINUX_REBOOT_CMD_CAD_ON : LINUX_REBOOT_CMD_CAD_OFF;
if (VIR_ALLOC_N(stack, stacksize) < 0)
@@ -164,7 +162,6 @@ int lxcContainerHasReboot(void)
childStack = stack + stacksize;
cpid = clone(lxcContainerRebootChild, childStack, flags, &cmd);
- VIR_FREE(stack);
if (cpid < 0) {
virReportSystemError(errno, "%s",
_("Unable to clone to check reboot support"));
@@ -638,7 +635,7 @@ static int lxcContainerResolveSymlinks(virDomainFSDefPtr fs, bool gentle)
VIR_DEBUG("Resolved '%s' to %s", fs->src->path, newroot);
- VIR_FREE(fs->src->path);
+ g_free(fs->src->path);
fs->src->path = newroot;
return 0;
@@ -648,7 +645,7 @@ static int lxcContainerPrepareRoot(virDomainDefPtr def,
virDomainFSDefPtr root,
const char *sec_mount_options)
{
- char *dst;
+ g_autofree char *dst = NULL;
char *tmp;
VIR_DEBUG("Prepare root %d", root->type);
@@ -679,24 +676,21 @@ static int lxcContainerPrepareRoot(virDomainDefPtr def,
if (lxcContainerMountFSBlock(root, "", sec_mount_options) < 0) {
root->dst = tmp;
- VIR_FREE(dst);
return -1;
}
root->dst = tmp;
root->type = VIR_DOMAIN_FS_TYPE_MOUNT;
- VIR_FREE(root->src->path);
- root->src->path = dst;
+ g_free(root->src->path);
+ root->src->path = g_steal_pointer(&dst);
return 0;
}
static int lxcContainerPivotRoot(virDomainFSDefPtr root)
{
- int ret;
- char *oldroot = NULL, *newroot = NULL;
-
- ret = -1;
+ g_autofree char *oldroot = NULL;
+ g_autofree char *newroot = NULL;
VIR_DEBUG("Pivot via %s", root->src->path);
@@ -704,7 +698,7 @@ static int lxcContainerPivotRoot(virDomainFSDefPtr root)
if (mount("", "/", "none", MS_PRIVATE|MS_REC, NULL) < 0) {
virReportSystemError(errno, "%s",
_("Failed to make root private"));
- goto err;
+ return -1;
}
oldroot = g_strdup_printf("%s/.oldroot", root->src->path);
@@ -713,7 +707,7 @@ static int lxcContainerPivotRoot(virDomainFSDefPtr root)
virReportSystemError(errno,
_("Failed to create %s"),
oldroot);
- goto err;
+ return -1;
}
/* Create a tmpfs root since old and new roots must be
@@ -722,7 +716,7 @@ static int lxcContainerPivotRoot(virDomainFSDefPtr root)
virReportSystemError(errno,
_("Failed to mount empty tmpfs at %s"),
oldroot);
- goto err;
+ return -1;
}
/* Create a directory called 'new' in tmpfs */
@@ -732,7 +726,7 @@ static int lxcContainerPivotRoot(virDomainFSDefPtr root)
virReportSystemError(errno,
_("Failed to create %s"),
newroot);
- goto err;
+ return -1;
}
/* ... and mount our root onto it */
@@ -740,7 +734,7 @@ static int lxcContainerPivotRoot(virDomainFSDefPtr root)
virReportSystemError(errno,
_("Failed to bind %s to new root %s"),
root->src->path, newroot);
- goto err;
+ return -1;
}
if (root->readonly) {
@@ -748,7 +742,7 @@ static int lxcContainerPivotRoot(virDomainFSDefPtr root)
virReportSystemError(errno,
_("Failed to make new root %s readonly"),
root->src->path);
- goto err;
+ return -1;
}
}
@@ -757,7 +751,7 @@ static int lxcContainerPivotRoot(virDomainFSDefPtr root)
if (chdir(newroot) < 0) {
virReportSystemError(errno,
_("Failed to chdir into %s"), newroot);
- goto err;
+ return -1;
}
/* The old root directory will live at /.oldroot after
@@ -765,20 +759,14 @@ static int lxcContainerPivotRoot(virDomainFSDefPtr root)
if (pivot_root(".", ".oldroot") < 0) {
virReportSystemError(errno, "%s",
_("Failed to pivot root"));
- goto err;
+ return -1;
}
/* CWD is undefined after pivot_root, so go to / */
if (chdir("/") < 0)
- goto err;
-
- ret = 0;
-
- err:
- VIR_FREE(oldroot);
- VIR_FREE(newroot);
+ return -1;
- return ret;
+ return 0;
}
@@ -845,7 +833,7 @@ static int lxcContainerSetReadOnly(void)
tmp = g_strdup(mntent.mnt_dir);
if (VIR_APPEND_ELEMENT(mounts, nmounts, tmp) < 0) {
- VIR_FREE(tmp);
+ g_free(tmp);
goto cleanup;
}
}
@@ -881,13 +869,12 @@ static int lxcContainerMountBasicFS(bool userns_enabled,
bool netns_disabled)
{
size_t i;
- int rc = -1;
- char* mnt_src = NULL;
int mnt_mflags;
VIR_DEBUG("Mounting basic filesystems");
for (i = 0; i < G_N_ELEMENTS(lxcBasicMounts); i++) {
+ g_autofree char *mnt_src = NULL;
bool bindOverReadonly;
virLXCBasicMountInfo const *mnt = &lxcBasicMounts[i];
@@ -908,27 +895,23 @@ static int lxcContainerMountBasicFS(bool userns_enabled,
mnt_src, mnt->dst);
if (mnt->skipUnmounted) {
- char *hostdir;
int ret;
-
- hostdir = g_strdup_printf("/.oldroot%s", mnt->dst);
+ g_autofree char *hostdir = g_strdup_printf("/.oldroot%s",
+ mnt->dst);
ret = virFileIsMountPoint(hostdir);
- VIR_FREE(hostdir);
if (ret < 0)
- goto cleanup;
+ return -1;
if (ret == 0) {
VIR_DEBUG("Skipping '%s' which isn't mounted in host",
mnt->dst);
- VIR_FREE(mnt_src);
continue;
}
}
if (mnt->skipUserNS && userns_enabled) {
VIR_DEBUG("Skipping due to user ns enablement");
- VIR_FREE(mnt_src);
continue;
}
@@ -936,13 +919,11 @@ static int lxcContainerMountBasicFS(bool userns_enabled,
* missing folder in /proc due to the absence of a kernel feature */
if (STRPREFIX(mnt_src, "/") && !virFileExists(mnt_src)) {
VIR_DEBUG("Skipping due to missing source: %s", mnt_src);
- VIR_FREE(mnt_src);
continue;
}
if (mnt->skipNoNetns && netns_disabled) {
VIR_DEBUG("Skipping due to absence of network namespace");
- VIR_FREE(mnt_src);
continue;
}
@@ -950,7 +931,7 @@ static int lxcContainerMountBasicFS(bool userns_enabled,
virReportSystemError(errno,
_("Failed to mkdir %s"),
mnt->dst);
- goto cleanup;
+ return -1;
}
/*
@@ -969,7 +950,7 @@ static int lxcContainerMountBasicFS(bool userns_enabled,
_("Failed to mount %s on %s type %s flags=0x%x"),
mnt_src, mnt->dst, NULLSTR(mnt->type),
mnt_mflags & ~MS_RDONLY);
- goto cleanup;
+ return -1;
}
if (bindOverReadonly &&
@@ -979,26 +960,18 @@ static int lxcContainerMountBasicFS(bool userns_enabled,
_("Failed to re-mount %s on %s flags=0x%x"),
mnt_src, mnt->dst,
MS_BIND|MS_REMOUNT|MS_RDONLY);
- goto cleanup;
+ return -1;
}
-
- VIR_FREE(mnt_src);
}
- rc = 0;
-
- cleanup:
- VIR_FREE(mnt_src);
- VIR_DEBUG("rc=%d", rc);
- return rc;
+ return 0;
}
#if WITH_FUSE
static int lxcContainerMountProcFuse(virDomainDefPtr def,
const char *stateDir)
{
- int ret;
- char *meminfo_path = NULL;
+ g_autofree char *meminfo_path = NULL;
VIR_DEBUG("Mount /proc/meminfo stateDir=%s", stateDir);
@@ -1006,15 +979,15 @@ static int lxcContainerMountProcFuse(virDomainDefPtr def,
stateDir,
def->name);
- if ((ret = mount(meminfo_path, "/proc/meminfo",
- NULL, MS_BIND, NULL)) < 0) {
+ if (mount(meminfo_path, "/proc/meminfo",
+ NULL, MS_BIND, NULL) < 0) {
virReportSystemError(errno,
_("Failed to mount %s on /proc/meminfo"),
meminfo_path);
+ return -1;
}
- VIR_FREE(meminfo_path);
- return ret;
+ return 0;
}
#else
static int lxcContainerMountProcFuse(virDomainDefPtr def G_GNUC_UNUSED,
@@ -1027,8 +1000,7 @@ static int lxcContainerMountProcFuse(virDomainDefPtr def G_GNUC_UNUSED,
static int lxcContainerMountFSDev(virDomainDefPtr def,
const char *stateDir)
{
- int ret = -1;
- char *path = NULL;
+ g_autofree char *path = NULL;
int flags = def->idmap.nuidmap ? MS_BIND : MS_MOVE;
VIR_DEBUG("Mount /dev/ stateDir=%s", stateDir);
@@ -1038,7 +1010,7 @@ static int lxcContainerMountFSDev(virDomainDefPtr def,
if (virFileMakePath("/dev") < 0) {
virReportSystemError(errno, "%s",
_("Cannot create /dev"));
- goto cleanup;
+ return -1;
}
VIR_DEBUG("Trying to %s %s to /dev", def->idmap.nuidmap ?
@@ -1048,21 +1020,16 @@ static int lxcContainerMountFSDev(virDomainDefPtr def,
virReportSystemError(errno,
_("Failed to mount %s on /dev"),
path);
- goto cleanup;
+ return -1;
}
- ret = 0;
-
- cleanup:
- VIR_FREE(path);
- return ret;
+ return 0;
}
static int lxcContainerMountFSDevPTS(virDomainDefPtr def,
const char *stateDir)
{
- int ret = -1;
- char *path = NULL;
+ g_autofree char *path = NULL;
int flags = def->idmap.nuidmap ? MS_BIND : MS_MOVE;
VIR_DEBUG("Mount /dev/pts stateDir=%s", stateDir);
@@ -1072,7 +1039,7 @@ static int lxcContainerMountFSDevPTS(virDomainDefPtr def,
if (virFileMakePath("/dev/pts") < 0) {
virReportSystemError(errno, "%s",
_("Cannot create /dev/pts"));
- goto cleanup;
+ return -1;
}
VIR_DEBUG("Trying to %s %s to /dev/pts", def->idmap.nuidmap ?
@@ -1082,13 +1049,10 @@ static int lxcContainerMountFSDevPTS(virDomainDefPtr def,
virReportSystemError(errno,
_("Failed to mount %s on /dev/pts"),
path);
- goto cleanup;
+ return -1;
}
- ret = 0;
- cleanup:
- VIR_FREE(path);
- return ret;
+ return 0;
}
static int lxcContainerSetupDevices(char **ttyPaths, size_t nttyPaths)
@@ -1118,15 +1082,10 @@ static int lxcContainerSetupDevices(char **ttyPaths, size_t nttyPaths)
return -1;
for (i = 0; i < nttyPaths; i++) {
- char *tty;
- tty = g_strdup_printf("/dev/tty%zu", i + 1);
+ g_autofree char *tty = g_strdup_printf("/dev/tty%zu", i + 1);
- if (virFileBindMountDevice(ttyPaths[i], tty) < 0) {
- VIR_FREE(tty);
+ if (virFileBindMountDevice(ttyPaths[i], tty) < 0)
return -1;
- }
-
- VIR_FREE(tty);
if (i == 0 &&
virFileBindMountDevice(ttyPaths[i], "/dev/console") < 0)
@@ -1139,8 +1098,7 @@ static int lxcContainerSetupDevices(char **ttyPaths, size_t nttyPaths)
static int lxcContainerMountFSBind(virDomainFSDefPtr fs,
const char *srcprefix)
{
- char *src = NULL;
- int ret = -1;
+ g_autofree char *src = NULL;
struct stat st;
VIR_DEBUG("src=%s dst=%s", fs->src->path, fs->dst);
@@ -1151,20 +1109,20 @@ static int lxcContainerMountFSBind(virDomainFSDefPtr fs,
if (errno != ENOENT) {
virReportSystemError(errno, _("Unable to stat bind target %s"),
fs->dst);
- goto cleanup;
+ return -1;
}
/* ENOENT => create the target dir or file */
if (stat(src, &st) < 0) {
virReportSystemError(errno, _("Unable to stat bind source %s"),
src);
- goto cleanup;
+ return -1;
}
if (S_ISDIR(st.st_mode)) {
if (virFileMakePath(fs->dst) < 0) {
virReportSystemError(errno,
_("Failed to create %s"),
fs->dst);
- goto cleanup;
+ return -1;
}
} else {
/* Create Empty file for target mount point */
@@ -1174,14 +1132,14 @@ static int lxcContainerMountFSBind(virDomainFSDefPtr fs,
virReportSystemError(errno,
_("Failed to create bind target %s"),
fs->dst);
- goto cleanup;
+ return -1;
}
}
if (VIR_CLOSE(fd) < 0) {
virReportSystemError(errno,
_("Failed to close bind target %s"),
fs->dst);
- goto cleanup;
+ return -1;
}
}
}
@@ -1190,7 +1148,7 @@ static int lxcContainerMountFSBind(virDomainFSDefPtr fs,
virReportSystemError(errno,
_("Failed to bind mount directory %s to %s"),
src, fs->dst);
- goto cleanup;
+ return -1;
}
if (fs->readonly) {
@@ -1202,11 +1160,7 @@ static int lxcContainerMountFSBind(virDomainFSDefPtr fs,
}
}
- ret = 0;
-
- cleanup:
- VIR_FREE(src);
- return ret;
+ return 0;
}
@@ -1307,14 +1261,14 @@ static int lxcContainerMountFSBlockAuto(virDomainFSDefPtr fs,
int ret = -1;
bool tryProc = false;
bool gotStar = false;
- char *fslist = NULL;
- char *line = NULL;
+ g_autofree char *fslist = NULL;
const char *type;
VIR_DEBUG("src=%s dst=%s srcprefix=%s", src, fs->dst, srcprefix);
/* First time around we use /etc/filesystems */
retry:
+ g_free(fslist);
fslist = g_strdup_printf("%s%s", srcprefix,
tryProc ? "/proc/filesystems" : "/etc/filesystems");
@@ -1326,7 +1280,6 @@ static int lxcContainerMountFSBlockAuto(virDomainFSDefPtr fs,
if (errno == ENOENT &&
!tryProc) {
tryProc = true;
- VIR_FREE(fslist);
goto retry;
}
@@ -1337,8 +1290,8 @@ static int lxcContainerMountFSBlockAuto(virDomainFSDefPtr fs,
}
while (!feof(fp)) {
+ g_autofree char *line = NULL;
size_t n;
- VIR_FREE(line);
if (getline(&line, &n, fp) <= 0) {
if (feof(fp))
break;
@@ -1401,7 +1354,6 @@ static int lxcContainerMountFSBlockAuto(virDomainFSDefPtr fs,
!tryProc &&
gotStar) {
tryProc = true;
- VIR_FREE(fslist);
VIR_FORCE_FCLOSE(fp);
goto retry;
}
@@ -1415,8 +1367,6 @@ static int lxcContainerMountFSBlockAuto(virDomainFSDefPtr fs,
VIR_DEBUG("Done mounting filesystem ret=%d tryProc=%d", ret, tryProc);
cleanup:
- VIR_FREE(line);
- VIR_FREE(fslist);
VIR_FORCE_FCLOSE(fp);
return ret;
}
@@ -1432,8 +1382,7 @@ static int lxcContainerMountFSBlockHelper(virDomainFSDefPtr fs,
const char *sec_mount_options)
{
int fsflags = 0;
- int ret = -1;
- char *format = NULL;
+ g_autofree char *format = NULL;
if (fs->readonly)
fsflags |= MS_RDONLY;
@@ -1442,11 +1391,11 @@ static int lxcContainerMountFSBlockHelper(virDomainFSDefPtr fs,
virReportSystemError(errno,
_("Failed to create %s"),
fs->dst);
- goto cleanup;
+ return -1;
}
if (lxcContainerMountDetectFilesystem(src, &format) < 0)
- goto cleanup;
+ return -1;
if (format) {
VIR_DEBUG("Mount '%s' on '%s' with detected format '%s' opts '%s'",
@@ -1455,16 +1404,12 @@ static int lxcContainerMountFSBlockHelper(virDomainFSDefPtr fs,
virReportSystemError(errno,
_("Failed to mount device %s to %s as %s"),
src, fs->dst, format);
- goto cleanup;
+ return -1;
}
- ret = 0;
+ return 0;
} else {
- ret = lxcContainerMountFSBlockAuto(fs, fsflags, src, srcprefix, sec_mount_options);
+ return lxcContainerMountFSBlockAuto(fs, fsflags, src, srcprefix, sec_mount_options);
}
-
- cleanup:
- VIR_FREE(format);
- return ret;
}
@@ -1472,7 +1417,7 @@ static int lxcContainerMountFSBlock(virDomainFSDefPtr fs,
const char *srcprefix,
const char *sec_mount_options)
{
- char *src = NULL;
+ g_autofree char *src = NULL;
int ret = -1;
VIR_DEBUG("src=%s dst=%s", fs->src->path, fs->dst);
@@ -1483,7 +1428,6 @@ static int lxcContainerMountFSBlock(virDomainFSDefPtr fs,
VIR_DEBUG("Done mounting filesystem ret=%d", ret);
- VIR_FREE(src);
return ret;
}
@@ -1491,8 +1435,7 @@ static int lxcContainerMountFSBlock(virDomainFSDefPtr fs,
static int lxcContainerMountFSTmpfs(virDomainFSDefPtr fs,
char *sec_mount_options)
{
- int ret = -1;
- char *data = NULL;
+ g_autofree char *data = NULL;
VIR_DEBUG("usage=%lld sec=%s", fs->usage, sec_mount_options);
@@ -1502,14 +1445,14 @@ static int lxcContainerMountFSTmpfs(virDomainFSDefPtr fs,
virReportSystemError(errno,
_("Failed to create %s"),
fs->dst);
- goto cleanup;
+ return -1;
}
if (mount("tmpfs", fs->dst, "tmpfs", MS_NOSUID|MS_NODEV, data) < 0) {
virReportSystemError(errno,
_("Failed to mount directory %s as tmpfs"),
fs->dst);
- goto cleanup;
+ return -1;
}
if (fs->readonly) {
@@ -1518,15 +1461,11 @@ static int lxcContainerMountFSTmpfs(virDomainFSDefPtr fs,
virReportSystemError(errno,
_("Failed to make directory %s readonly"),
fs->dst);
- goto cleanup;
+ return -1;
}
}
- ret = 0;
-
- cleanup:
- VIR_FREE(data);
- return ret;
+ return 0;
}
@@ -1600,8 +1539,8 @@ static int lxcContainerMountAllFS(virDomainDefPtr vmDef,
int lxcContainerSetupHostdevCapsMakePath(const char *dev)
{
- int ret = -1;
- char *dir, *tmp;
+ g_autofree char *dir = NULL;
+ char *tmp;
dir = g_strdup(dev);
@@ -1611,30 +1550,25 @@ int lxcContainerSetupHostdevCapsMakePath(const char *dev)
virReportSystemError(errno,
_("Failed to create directory for '%s' dev '%s'"),
dir, dev);
- goto cleanup;
+ return -1;
}
}
- ret = 0;
-
- cleanup:
- VIR_FREE(dir);
- return ret;
+ return 0;
}
static int lxcContainerUnmountForSharedRoot(const char *stateDir,
const char *domain)
{
- int ret = -1;
- char *tmp = NULL;
+ g_autofree char *tmp = NULL;
#if WITH_SELINUX
/* Some versions of Linux kernel don't let you overmount
* the selinux filesystem, so make sure we kill it first
*/
if (lxcContainerUnmountSubtree(SELINUX_MOUNT, false) < 0)
- goto cleanup;
+ return -1;
#endif
/* These filesystems are created by libvirt temporarily, they
@@ -1642,20 +1576,20 @@ static int lxcContainerUnmountForSharedRoot(const char *stateDir,
tmp = g_strdup_printf("%s/%s.dev", stateDir, domain);
if (lxcContainerUnmountSubtree(tmp, false) < 0)
- goto cleanup;
+ return -1;
- VIR_FREE(tmp);
+ g_free(tmp);
tmp = g_strdup_printf("%s/%s.devpts", stateDir, domain);
if (lxcContainerUnmountSubtree(tmp, false) < 0)
- goto cleanup;
+ return -1;
#if WITH_FUSE
- VIR_FREE(tmp);
+ g_free(tmp);
tmp = g_strdup_printf("%s/%s.fuse", stateDir, domain);
if (lxcContainerUnmountSubtree(tmp, false) < 0)
- goto cleanup;
+ return -1;
#endif
/* If we have the root source being '/', then we need to
@@ -1665,13 +1599,9 @@ static int lxcContainerUnmountForSharedRoot(const char *stateDir,
if (lxcContainerUnmountSubtree("/sys", false) < 0 ||
lxcContainerUnmountSubtree("/dev", false) < 0 ||
lxcContainerUnmountSubtree("/proc", false) < 0)
- goto cleanup;
-
- ret = 0;
+ return -1;
- cleanup:
- VIR_FREE(tmp);
- return ret;
+ return 0;
}
@@ -1704,8 +1634,8 @@ static int lxcContainerSetupPivotRoot(virDomainDefPtr vmDef,
{
virCgroupPtr cgroup = NULL;
int ret = -1;
- char *sec_mount_options;
- char *stateDir = NULL;
+ g_autofree char *sec_mount_options = NULL;
+ g_autofree char *stateDir = NULL;
VIR_DEBUG("Setup pivot root");
@@ -1776,9 +1706,7 @@ static int lxcContainerSetupPivotRoot(virDomainDefPtr vmDef,
ret = 0;
cleanup:
- VIR_FREE(stateDir);
virCgroupFree(&cgroup);
- VIR_FREE(sec_mount_options);
return ret;
}
@@ -2128,9 +2056,8 @@ static const char hostname_validchars[] =
static int lxcContainerSetHostname(virDomainDefPtr def)
{
- int ret = -1;
- char *name = NULL;
- char *hostname = NULL;
+ g_autofree char *name = NULL;
+ const char *hostname = NULL;
/* Filter the VM name to get a valid hostname */
name = g_strdup(def->name);
@@ -2143,13 +2070,10 @@ static int lxcContainerSetHostname(virDomainDefPtr def)
if (sethostname(hostname, strlen(hostname)) < 0) {
virReportSystemError(errno, "%s", _("Failed to set hostname"));
- goto cleanup;
+ return -1;
}
- ret = 0;
- cleanup:
- VIR_FREE(name);
- return ret;
+ return 0;
}
/**
@@ -2170,11 +2094,11 @@ static int lxcContainerChild(void *data)
virDomainDefPtr vmDef = argv->config;
int ttyfd = -1;
int ret = -1;
- char *ttyPath = NULL;
+ g_autofree char *ttyPath = NULL;
virDomainFSDefPtr root;
virCommandPtr cmd = NULL;
int hasReboot;
- gid_t *groups = NULL;
+ g_autofree gid_t *groups = NULL;
int ngroups;
if (NULL == vmDef) {
@@ -2303,7 +2227,6 @@ static int lxcContainerChild(void *data)
ret = 0;
cleanup:
- VIR_FREE(ttyPath);
VIR_FORCE_CLOSE(ttyfd);
VIR_FORCE_CLOSE(argv->monitor);
VIR_FORCE_CLOSE(argv->handshakefd);
@@ -2321,7 +2244,6 @@ static int lxcContainerChild(void *data)
virGetLastErrorMessage());
}
- VIR_FREE(groups);
virCommandFree(cmd);
return ret;
}
@@ -2383,7 +2305,8 @@ int lxcContainerStart(virDomainDefPtr def,
pid_t pid;
int cflags;
int stacksize = getpagesize() * 4;
- char *stack, *stacktop;
+ g_autofree char *stack = NULL;
+ char *stacktop;
lxc_child_argv_t args = {
.config = def,
.securityDriver = securityDriver,
@@ -2410,7 +2333,6 @@ int lxcContainerStart(virDomainDefPtr def,
if (virProcessNamespaceAvailable(VIR_PROCESS_NAMESPACE_USER) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Kernel doesn't support user namespace"));
- VIR_FREE(stack);
return -1;
}
VIR_DEBUG("Enable user namespace");
@@ -2426,7 +2348,6 @@ int lxcContainerStart(virDomainDefPtr def,
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Config asks for inherit net namespace "
"as well as private network interfaces"));
- VIR_FREE(stack);
return -1;
}
VIR_DEBUG("Inheriting a net namespace");
@@ -2446,7 +2367,6 @@ int lxcContainerStart(virDomainDefPtr def,
VIR_DEBUG("Cloning container init process");
pid = clone(lxcContainerChild, stacktop, cflags, &args);
- VIR_FREE(stack);
VIR_DEBUG("clone() completed, new container PID is %d", pid);
if (pid < 0) {
diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c
index 453b435dd6..0438d72538 100644
--- a/src/lxc/lxc_controller.c
+++ b/src/lxc/lxc_controller.c
@@ -191,7 +191,7 @@ static virLXCControllerPtr virLXCControllerNew(const char *name)
{
virLXCControllerPtr ctrl = NULL;
virLXCDriverPtr driver = NULL;
- char *configFile = NULL;
+ g_autofree char *configFile = NULL;
if (VIR_ALLOC(ctrl) < 0)
goto error;
@@ -220,7 +220,6 @@ static virLXCControllerPtr virLXCControllerNew(const char *name)
goto error;
cleanup:
- VIR_FREE(configFile);
virLXCControllerDriverFree(driver);
return ctrl;
@@ -288,22 +287,22 @@ static void virLXCControllerFree(virLXCControllerPtr ctrl)
virObjectUnref(ctrl->securityManager);
for (i = 0; i < ctrl->nveths; i++)
- VIR_FREE(ctrl->veths[i]);
- VIR_FREE(ctrl->veths);
- VIR_FREE(ctrl->nicindexes);
+ g_free(ctrl->veths[i]);
+ g_free(ctrl->veths);
+ g_free(ctrl->nicindexes);
for (i = 0; i < ctrl->npassFDs; i++)
VIR_FORCE_CLOSE(ctrl->passFDs[i]);
- VIR_FREE(ctrl->passFDs);
+ g_free(ctrl->passFDs);
for (i = 0; i < ctrl->nconsoles; i++)
virLXCControllerConsoleClose(&(ctrl->consoles[i]));
- VIR_FREE(ctrl->consoles);
+ g_free(ctrl->consoles);
- VIR_FREE(ctrl->devptmx);
+ g_free(ctrl->devptmx);
virDomainObjEndAPI(&ctrl->vm);
- VIR_FREE(ctrl->name);
+ g_free(ctrl->name);
if (ctrl->timerShutdown != -1)
virEventRemoveTimeout(ctrl->timerShutdown);
@@ -311,14 +310,14 @@ static void virLXCControllerFree(virLXCControllerPtr ctrl)
virObjectUnref(ctrl->daemon);
virLXCControllerFreeFuse(ctrl);
- VIR_FREE(ctrl->nbdpids);
+ g_free(ctrl->nbdpids);
- VIR_FREE(ctrl->nsFDs);
+ g_free(ctrl->nsFDs);
virCgroupFree(&ctrl->cgroup);
/* This must always be the last thing to be closed */
VIR_FORCE_CLOSE(ctrl->handshakeFd);
- VIR_FREE(ctrl);
+ g_free(ctrl);
}
@@ -469,7 +468,7 @@ static int virLXCControllerSetupLoopDeviceFS(virDomainFSDefPtr fs)
* the rest of container setup 'just works'
*/
fs->type = VIR_DOMAIN_FS_TYPE_BLOCK;
- VIR_FREE(fs->src->path);
+ g_free(fs->src->path);
fs->src->path = loname;
loname = NULL;
@@ -480,7 +479,7 @@ static int virLXCControllerSetupLoopDeviceFS(virDomainFSDefPtr fs)
static int virLXCControllerSetupLoopDeviceDisk(virDomainDiskDefPtr disk)
{
int lofd;
- char *loname = NULL;
+ g_autofree char *loname = NULL;
const char *src = virDomainDiskGetSource(disk);
int ret = -1;
@@ -501,7 +500,6 @@ static int virLXCControllerSetupLoopDeviceDisk(virDomainDiskDefPtr disk)
ret = 0;
cleanup:
- VIR_FREE(loname);
if (ret < 0)
VIR_FORCE_CLOSE(lofd);
@@ -533,7 +531,7 @@ static int virLXCControllerSetupNBDDeviceFS(virDomainFSDefPtr fs)
* the rest of container setup 'just works'
*/
fs->type = VIR_DOMAIN_FS_TYPE_BLOCK;
- VIR_FREE(fs->src->path);
+ g_free(fs->src->path);
fs->src->path = dev;
return 0;
@@ -542,7 +540,7 @@ static int virLXCControllerSetupNBDDeviceFS(virDomainFSDefPtr fs)
static int virLXCControllerSetupNBDDeviceDisk(virDomainDiskDefPtr disk)
{
- char *dev;
+ g_autofree char *dev = NULL;
const char *src = virDomainDiskGetSource(disk);
int format = virDomainDiskGetFormat(disk);
@@ -565,11 +563,8 @@ static int virLXCControllerSetupNBDDeviceDisk(virDomainDiskDefPtr disk)
* the rest of container setup 'just works'
*/
virDomainDiskSetType(disk, VIR_STORAGE_TYPE_BLOCK);
- if (virDomainDiskSetSource(disk, dev) < 0) {
- VIR_FREE(dev);
+ if (virDomainDiskSetSource(disk, dev) < 0)
return -1;
- }
- VIR_FREE(dev);
return 0;
}
@@ -577,16 +572,15 @@ static int virLXCControllerSetupNBDDeviceDisk(virDomainDiskDefPtr disk)
static int virLXCControllerAppendNBDPids(virLXCControllerPtr ctrl,
const char *dev)
{
- char *pidpath = NULL;
- pid_t *pids = NULL;
+ g_autofree char *pidpath = NULL;
+ g_autofree pid_t *pids = NULL;
size_t npids = 0;
size_t i;
- int ret = -1;
size_t loops = 0;
pid_t pid;
if (!STRPREFIX(dev, "/dev/"))
- goto cleanup;
+ return -1;
pidpath = g_strdup_printf("/sys/devices/virtual/block/%s/pid", dev + 5);
@@ -600,27 +594,22 @@ static int virLXCControllerAppendNBDPids(virLXCControllerPtr ctrl,
virReportSystemError(errno,
_("Cannot check NBD device %s pid"),
dev + 5);
- goto cleanup;
+ return -1;
}
}
if (virPidFileReadPath(pidpath, &pid) < 0)
- goto cleanup;
+ return -1;
if (virProcessGetPids(pid, &npids, &pids) < 0)
- goto cleanup;
+ return -1;
for (i = 0; i < npids; i++) {
if (VIR_APPEND_ELEMENT(ctrl->nbdpids, ctrl->nnbdpids, pids[i]) < 0)
- goto cleanup;
+ return -1;
}
- ret = 0;
-
- cleanup:
- VIR_FREE(pids);
- VIR_FREE(pidpath);
- return ret;
+ return 0;
}
static int virLXCControllerSetupLoopDevices(virLXCControllerPtr ctrl)
@@ -957,7 +946,7 @@ static int virLXCControllerSetupServer(virLXCControllerPtr ctrl)
{
virNetServerPtr srv = NULL;
virNetServerServicePtr svc = NULL;
- char *sockpath;
+ g_autofree char *sockpath = NULL;
sockpath = g_strdup_printf("%s/%s.sock", LXC_STATE_DIR, ctrl->name);
@@ -1002,11 +991,9 @@ static int virLXCControllerSetupServer(virLXCControllerPtr ctrl)
goto error;
virNetDaemonUpdateServices(ctrl->daemon, true);
- VIR_FREE(sockpath);
return 0;
error:
- VIR_FREE(sockpath);
virObjectUnref(srv);
virObjectUnref(ctrl->daemon);
ctrl->daemon = NULL;
@@ -1606,11 +1593,10 @@ virLXCControllerSetupHostdevSubsysUSB(virDomainDefPtr vmDef,
virDomainHostdevDefPtr def,
virSecurityManagerPtr securityDriver)
{
- int ret = -1;
- char *src = NULL;
- char *dstdir = NULL;
- char *dstfile = NULL;
- char *vroot = NULL;
+ g_autofree char *src = NULL;
+ g_autofree char *dstdir = NULL;
+ g_autofree char *dstfile = NULL;
+ g_autofree char *vroot = NULL;
struct stat sb;
mode_t mode;
virDomainHostdevSubsysUSBPtr usbsrc = &def->source.subsys.u.usb;
@@ -1626,14 +1612,14 @@ virLXCControllerSetupHostdevSubsysUSB(virDomainDefPtr vmDef,
if (stat(src, &sb) < 0) {
virReportSystemError(errno,
_("Unable to access %s"), src);
- goto cleanup;
+ return -1;
}
if (!S_ISCHR(sb.st_mode)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("USB source %s was not a character device"),
src);
- goto cleanup;
+ return -1;
}
mode = 0700 | S_IFCHR;
@@ -1641,7 +1627,7 @@ virLXCControllerSetupHostdevSubsysUSB(virDomainDefPtr vmDef,
if (virFileMakePath(dstdir) < 0) {
virReportSystemError(errno,
_("Unable to create %s"), dstdir);
- goto cleanup;
+ return -1;
}
VIR_DEBUG("Creating dev %s (%d,%d)",
@@ -1650,24 +1636,17 @@ virLXCControllerSetupHostdevSubsysUSB(virDomainDefPtr vmDef,
virReportSystemError(errno,
_("Unable to create device %s"),
dstfile);
- goto cleanup;
+ return -1;
}
if (lxcContainerChown(vmDef, dstfile) < 0)
- goto cleanup;
+ return -1;
if (virSecurityManagerSetHostdevLabel(securityDriver,
vmDef, def, vroot) < 0)
- goto cleanup;
-
- ret = 0;
+ return -1;
- cleanup:
- VIR_FREE(src);
- VIR_FREE(dstfile);
- VIR_FREE(dstdir);
- VIR_FREE(vroot);
- return ret;
+ return 0;
}
@@ -1676,8 +1655,8 @@ virLXCControllerSetupHostdevCapsStorage(virDomainDefPtr vmDef,
virDomainHostdevDefPtr def,
virSecurityManagerPtr securityDriver)
{
- char *dst = NULL;
- char *path = NULL;
+ g_autofree char *dst = NULL;
+ g_autofree char *path = NULL;
int len = 0;
int ret = -1;
struct stat sb;
@@ -1741,8 +1720,6 @@ virLXCControllerSetupHostdevCapsStorage(virDomainDefPtr vmDef,
cleanup:
def->source.caps.u.storage.block = dev;
- VIR_FREE(dst);
- VIR_FREE(path);
return ret;
}
@@ -1752,8 +1729,8 @@ virLXCControllerSetupHostdevCapsMisc(virDomainDefPtr vmDef,
virDomainHostdevDefPtr def,
virSecurityManagerPtr securityDriver)
{
- char *dst = NULL;
- char *path = NULL;
+ g_autofree char *dst = NULL;
+ g_autofree char *path = NULL;
int len = 0;
int ret = -1;
struct stat sb;
@@ -1817,8 +1794,6 @@ virLXCControllerSetupHostdevCapsMisc(virDomainDefPtr vmDef,
cleanup:
def->source.caps.u.misc.chardev = dev;
- VIR_FREE(dst);
- VIR_FREE(path);
return ret;
}
@@ -1910,7 +1885,7 @@ static int virLXCControllerSetupDisk(virLXCControllerPtr ctrl,
virDomainDiskDefPtr def,
virSecurityManagerPtr securityDriver)
{
- char *dst = NULL;
+ g_autofree char *dst = NULL;
int ret = -1;
struct stat sb;
mode_t mode;
@@ -1979,7 +1954,6 @@ static int virLXCControllerSetupDisk(virLXCControllerPtr ctrl,
cleanup:
def->src->path = tmpsrc;
- VIR_FREE(dst);
return ret;
}
@@ -2125,7 +2099,8 @@ lxcCreateTty(virLXCControllerPtr ctrl, int *ttymaster,
cleanup:
if (ret != 0) {
VIR_FORCE_CLOSE(*ttymaster);
- VIR_FREE(*ttyName);
+ g_free(*ttyName);
+ *ttyName = NULL;
}
return ret;
@@ -2233,9 +2208,10 @@ virLXCControllerSetupConsoles(virLXCControllerPtr ctrl,
char **containerTTYPaths)
{
size_t i;
- g_autofree char *ttyHostPath = NULL;
for (i = 0; i < ctrl->nconsoles; i++) {
+ g_autofree char *ttyHostPath = NULL;
+
VIR_DEBUG("Opening tty on private %s", ctrl->devptmx);
if (lxcCreateTty(ctrl,
&ctrl->consoles[i].contFd,
@@ -2248,8 +2224,6 @@ virLXCControllerSetupConsoles(virLXCControllerPtr ctrl,
/* Change the owner of tty device to the root user of container */
if (lxcContainerChown(ctrl->def, ttyHostPath) < 0)
return -1;
-
- VIR_FREE(ttyHostPath);
}
return 0;
@@ -2484,8 +2458,8 @@ virLXCControllerRun(virLXCControllerPtr ctrl)
VIR_FORCE_CLOSE(containerhandshake[1]);
for (i = 0; i < ctrl->nconsoles; i++)
- VIR_FREE(containerTTYPaths[i]);
- VIR_FREE(containerTTYPaths);
+ g_free(containerTTYPaths[i]);
+ g_free(containerTTYPaths);
virLXCControllerStopInit(ctrl);
@@ -2517,9 +2491,9 @@ int main(int argc, char *argv[])
{ "help", 0, NULL, 'h' },
{ 0, 0, 0, 0 },
};
- int *ttyFDs = NULL;
+ g_autofree int *ttyFDs = NULL;
size_t nttyFDs = 0;
- int *passFDs = NULL;
+ g_autofree int *passFDs = NULL;
size_t npassFDs = 0;
virLXCControllerPtr ctrl = NULL;
size_t i;
@@ -2760,10 +2734,8 @@ int main(int argc, char *argv[])
virLXCControllerDeleteInterfaces(ctrl);
for (i = 0; i < nttyFDs; i++)
VIR_FORCE_CLOSE(ttyFDs[i]);
- VIR_FREE(ttyFDs);
for (i = 0; i < npassFDs; i++)
VIR_FORCE_CLOSE(passFDs[i]);
- VIR_FREE(passFDs);
virLXCControllerFree(ctrl);
diff --git a/src/lxc/lxc_domain.c b/src/lxc/lxc_domain.c
index 59f803837a..b9c3b4eec3 100644
--- a/src/lxc/lxc_domain.c
+++ b/src/lxc/lxc_domain.c
@@ -159,7 +159,7 @@ virLXCDomainObjPrivateAlloc(void *opaque G_GNUC_UNUSED)
return NULL;
if (virLXCDomainObjInitJob(priv) < 0) {
- VIR_FREE(priv);
+ g_free(priv);
return NULL;
}
@@ -174,7 +174,7 @@ virLXCDomainObjPrivateFree(void *data)
virCgroupFree(&priv->cgroup);
virLXCDomainObjFreeJob(priv);
- VIR_FREE(priv);
+ g_free(priv);
}
@@ -200,8 +200,8 @@ lxcDomainDefNamespaceFree(void *nsdata)
size_t i;
lxcDomainDefPtr lxcDef = nsdata;
for (i = 0; i < VIR_LXC_DOMAIN_NAMESPACE_LAST; i++)
- VIR_FREE(lxcDef->ns_val[i]);
- VIR_FREE(nsdata);
+ g_free(lxcDef->ns_val[i]);
+ g_free(nsdata);
}
static int
@@ -209,12 +209,11 @@ lxcDomainDefNamespaceParse(xmlXPathContextPtr ctxt,
void **data)
{
lxcDomainDefPtr lxcDef = NULL;
- xmlNodePtr *nodes = NULL;
+ g_autofree xmlNodePtr *nodes = NULL;
bool uses_lxc_ns = false;
xmlNodePtr node;
int feature;
int n;
- char *tmp = NULL;
size_t i;
if (VIR_ALLOC(lxcDef) < 0)
@@ -226,6 +225,7 @@ lxcDomainDefNamespaceParse(xmlXPathContextPtr ctxt,
uses_lxc_ns |= n > 0;
for (i = 0; i < n; i++) {
+ g_autofree char *tmp = NULL;
if ((feature = virLXCDomainNamespaceTypeFromString(
(const char *)nodes[i]->name)) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -246,10 +246,8 @@ lxcDomainDefNamespaceParse(xmlXPathContextPtr ctxt,
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unknown LXC namespace source '%s'"),
tmp);
- VIR_FREE(tmp);
goto error;
}
- VIR_FREE(tmp);
if (!(lxcDef->ns_val[feature] =
virXMLPropString(nodes[i], "value"))) {
@@ -258,15 +256,13 @@ lxcDomainDefNamespaceParse(xmlXPathContextPtr ctxt,
goto error;
}
}
- VIR_FREE(nodes);
ctxt->node = node;
if (uses_lxc_ns)
*data = lxcDef;
else
- VIR_FREE(lxcDef);
+ g_free(lxcDef);
return 0;
error:
- VIR_FREE(nodes);
lxcDomainDefNamespaceFree(lxcDef);
return -1;
}
@@ -496,7 +492,9 @@ virLXCDomainSetRunlevel(virDomainObjPtr vm,
lxcDomainInitctlCallback,
&data);
cleanup:
- VIR_FREE(data.st);
- VIR_FREE(data.st_valid);
+ g_free(data.st);
+ data.st = NULL;
+ g_free(data.st_valid);
+ data.st_valid = NULL;
return ret;
}
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 3111562568..2c63b0f3a3 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -1496,7 +1496,8 @@ static int lxcStateInitialize(bool privileged,
return VIR_DRV_STATE_INIT_ERROR;
lxc_driver->lockFD = -1;
if (virMutexInit(&lxc_driver->lock) < 0) {
- VIR_FREE(lxc_driver);
+ g_free(lxc_driver);
+ lxc_driver = NULL;
return VIR_DRV_STATE_INIT_ERROR;
}
@@ -1633,7 +1634,8 @@ static int lxcStateCleanup(void)
virObjectUnref(lxc_driver->config);
virMutexDestroy(&lxc_driver->lock);
- VIR_FREE(lxc_driver);
+ g_free(lxc_driver);
+ lxc_driver = NULL;
return 0;
}
@@ -2473,7 +2475,8 @@ static int lxcDomainSetAutostart(virDomainPtr dom,
{
virLXCDriverPtr driver = dom->conn->privateData;
virDomainObjPtr vm;
- char *configFile = NULL, *autostartLink = NULL;
+ g_autofree char *configFile = NULL;
+ g_autofree char *autostartLink = NULL;
int ret = -1;
virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
@@ -2538,8 +2541,6 @@ static int lxcDomainSetAutostart(virDomainPtr dom,
virLXCDomainObjEndJob(driver, vm);
cleanup:
- VIR_FREE(configFile);
- VIR_FREE(autostartLink);
virDomainObjEndAPI(&vm);
virObjectUnref(cfg);
return ret;
@@ -2551,8 +2552,7 @@ static int lxcFreezeContainer(virDomainObjPtr vm)
int check_interval = 1; /* In milliseconds */
int exp = 10;
int waited_time = 0;
- int ret = -1;
- char *state = NULL;
+ g_autofree char *state = NULL;
virLXCDomainObjPrivatePtr priv = vm->privateData;
while (waited_time < timeout) {
@@ -2599,10 +2599,8 @@ static int lxcFreezeContainer(virDomainObjPtr vm)
}
VIR_DEBUG("Read freezer.state: %s", state);
- if (STREQ(state, "FROZEN")) {
- ret = 0;
- goto cleanup;
- }
+ if (STREQ(state, "FROZEN"))
+ return 0;
waited_time += check_interval;
/*
@@ -2614,7 +2612,6 @@ static int lxcFreezeContainer(virDomainObjPtr vm)
* In that case, eager polling will just waste CPU time.
*/
check_interval *= exp;
- VIR_FREE(state);
}
VIR_DEBUG("lxcFreezeContainer timeout");
error:
@@ -2624,11 +2621,7 @@ static int lxcFreezeContainer(virDomainObjPtr vm)
* This is likely to fall the group back again gracefully.
*/
virCgroupSetFreezerState(priv->cgroup, "THAWED");
- ret = -1;
-
- cleanup:
- VIR_FREE(state);
- return ret;
+ return -1;
}
static int lxcDomainSuspend(virDomainPtr dom)
@@ -3345,7 +3338,7 @@ lxcDomainAttachDeviceDiskLive(virLXCDriverPtr driver,
virDomainDiskDefPtr def = dev->data.disk;
int ret = -1;
struct stat sb;
- char *file = NULL;
+ g_autofree char *file = NULL;
int perms;
const char *src = NULL;
@@ -3433,7 +3426,6 @@ lxcDomainAttachDeviceDiskLive(virLXCDriverPtr driver,
cleanup:
if (src)
virDomainAuditDisk(vm, NULL, def->src, "attach", ret == 0);
- VIR_FREE(file);
return ret;
}
@@ -3584,7 +3576,7 @@ lxcDomainAttachDeviceHostdevSubsysUSBLive(virLXCDriverPtr driver,
virLXCDomainObjPrivatePtr priv = vm->privateData;
virDomainHostdevDefPtr def = dev->data.hostdev;
int ret = -1;
- char *src = NULL;
+ g_autofree char *src = NULL;
struct stat sb;
virUSBDevicePtr usb = NULL;
virDomainHostdevSubsysUSBPtr usbsrc;
@@ -3643,7 +3635,6 @@ lxcDomainAttachDeviceHostdevSubsysUSBLive(virLXCDriverPtr driver,
cleanup:
virDomainAuditHostdev(vm, def, "attach", ret == 0);
virUSBDeviceFree(usb);
- VIR_FREE(src);
return ret;
}
@@ -3910,14 +3901,14 @@ lxcDomainDetachDeviceDiskLive(virDomainObjPtr vm,
{
virLXCDomainObjPrivatePtr priv = vm->privateData;
virDomainDiskDefPtr def = NULL;
- int idx, ret = -1;
- char *dst = NULL;
+ int idx;
+ g_autofree char *dst = NULL;
const char *src;
if (!priv->initpid) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("Cannot attach disk until init PID is known"));
- goto cleanup;
+ return -1;
}
if ((idx = virDomainDiskIndexByName(vm->def,
@@ -3925,7 +3916,7 @@ lxcDomainDetachDeviceDiskLive(virDomainObjPtr vm,
false)) < 0) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("disk %s not found"), dev->data.disk->dst);
- goto cleanup;
+ return -1;
}
def = vm->def->disks[idx];
@@ -3936,12 +3927,12 @@ lxcDomainDetachDeviceDiskLive(virDomainObjPtr vm,
if (!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_DEVICES)) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("devices cgroup isn't mounted"));
- goto cleanup;
+ return -1;
}
if (lxcDomainAttachDeviceUnlink(vm, dst) < 0) {
virDomainAuditDisk(vm, def->src, NULL, "detach", false);
- goto cleanup;
+ return -1;
}
virDomainAuditDisk(vm, def->src, NULL, "detach", true);
@@ -3953,11 +3944,7 @@ lxcDomainDetachDeviceDiskLive(virDomainObjPtr vm,
virDomainDiskRemove(vm->def, idx);
virDomainDiskDefFree(def);
- ret = 0;
-
- cleanup:
- VIR_FREE(dst);
- return ret;
+ return 0;
}
@@ -4055,7 +4042,7 @@ lxcDomainDetachDeviceHostdevUSBLive(virLXCDriverPtr driver,
virLXCDomainObjPrivatePtr priv = vm->privateData;
virDomainHostdevDefPtr def = NULL;
int idx, ret = -1;
- char *dst = NULL;
+ g_autofree char *dst = NULL;
virUSBDevicePtr usb = NULL;
virHostdevManagerPtr hostdev_mgr = driver->hostdevMgr;
virDomainHostdevSubsysUSBPtr usbsrc;
@@ -4103,7 +4090,6 @@ lxcDomainDetachDeviceHostdevUSBLive(virLXCDriverPtr driver,
cleanup:
virUSBDeviceFree(usb);
- VIR_FREE(dst);
return ret;
}
@@ -4948,8 +4934,6 @@ lxcDomainGetHostname(virDomainPtr dom,
virDomainObjPtr vm = NULL;
char macaddr[VIR_MAC_STRING_BUFLEN];
g_autoptr(virConnect) conn = NULL;
- virNetworkDHCPLeasePtr *leases = NULL;
- int n_leases;
size_t i, j;
char *hostname = NULL;
@@ -4973,6 +4957,8 @@ lxcDomainGetHostname(virDomainPtr dom,
for (i = 0; i < vm->def->nnets; i++) {
g_autoptr(virNetwork) network = NULL;
virDomainNetDefPtr net = vm->def->nets[i];
+ g_autofree virNetworkDHCPLeasePtr *leases = NULL;
+ int n_leases;
if (net->type != VIR_DOMAIN_NET_TYPE_NETWORK)
continue;
@@ -4996,8 +4982,6 @@ lxcDomainGetHostname(virDomainPtr dom,
virNetworkDHCPLeaseFree(lease);
}
- VIR_FREE(leases);
-
if (hostname)
goto endjob;
}
diff --git a/src/lxc/lxc_fuse.c b/src/lxc/lxc_fuse.c
index e73b4d0690..c4223f4e06 100644
--- a/src/lxc/lxc_fuse.c
+++ b/src/lxc/lxc_fuse.c
@@ -326,10 +326,10 @@ int lxcSetupFuse(virLXCFusePtr *f, virDomainDefPtr def)
*f = fuse;
return ret;
cleanup1:
- VIR_FREE(fuse->mountpoint);
+ g_free(fuse->mountpoint);
virMutexDestroy(&fuse->lock);
cleanup2:
- VIR_FREE(fuse);
+ g_free(fuse);
goto cleanup;
}
@@ -356,8 +356,8 @@ void lxcFreeFuse(virLXCFusePtr *f)
fuse_exit(fuse->fuse);
virMutexUnlock(&fuse->lock);
- VIR_FREE(fuse->mountpoint);
- VIR_FREE(*f);
+ g_free(fuse->mountpoint);
+ g_free(*f);
}
}
#else
diff --git a/src/lxc/lxc_monitor.c b/src/lxc/lxc_monitor.c
index 479125374b..e0d03f9d4c 100644
--- a/src/lxc/lxc_monitor.c
+++ b/src/lxc/lxc_monitor.c
@@ -143,7 +143,7 @@ virLXCMonitorPtr virLXCMonitorNew(virDomainObjPtr vm,
virLXCMonitorCallbacksPtr cb)
{
virLXCMonitorPtr mon;
- char *sockpath = NULL;
+ g_autofree char *sockpath = NULL;
if (virLXCMonitorInitialize() < 0)
return NULL;
@@ -180,14 +180,11 @@ virLXCMonitorPtr virLXCMonitorNew(virDomainObjPtr vm,
mon->vm = virObjectRef(vm);
memcpy(&mon->cb, cb, sizeof(mon->cb));
- cleanup:
- VIR_FREE(sockpath);
return mon;
error:
virObjectUnref(mon);
- mon = NULL;
- goto cleanup;
+ return NULL;
}
diff --git a/src/lxc/lxc_native.c b/src/lxc/lxc_native.c
index 4545d8cde1..622d506398 100644
--- a/src/lxc/lxc_native.c
+++ b/src/lxc/lxc_native.c
@@ -93,11 +93,11 @@ lxcFstabFree(lxcFstabPtr fstab)
lxcFstabPtr next = NULL;
next = fstab->next;
- VIR_FREE(fstab->src);
- VIR_FREE(fstab->dst);
- VIR_FREE(fstab->type);
- VIR_FREE(fstab->options);
- VIR_FREE(fstab);
+ g_free(fstab->src);
+ g_free(fstab->dst);
+ g_free(fstab->type);
+ g_free(fstab->options);
+ g_free(fstab);
fstab = next;
}
@@ -105,7 +105,7 @@ lxcFstabFree(lxcFstabPtr fstab)
static char ** lxcStringSplit(const char *string)
{
- char *tmp;
+ g_autofree char *tmp = NULL;
size_t i;
size_t ntokens = 0;
char **parts;
@@ -136,12 +136,10 @@ static char ** lxcStringSplit(const char *string)
result[ntokens - 2] = g_strdup(parts[i]);
}
- VIR_FREE(tmp);
virStringListFree(parts);
return result;
error:
- VIR_FREE(tmp);
virStringListFree(parts);
virStringListFree(result);
return NULL;
@@ -257,7 +255,7 @@ static int
lxcAddFstabLine(virDomainDefPtr def, lxcFstabPtr fstab)
{
const char *src = NULL;
- char *dst = NULL;
+ g_autofree char *dst = NULL;
char **options = virStringSplit(fstab->options, ",", 0);
bool readonly;
int type = VIR_DOMAIN_FS_TYPE_MOUNT;
@@ -313,7 +311,6 @@ lxcAddFstabLine(virDomainDefPtr def, lxcFstabPtr fstab)
ret = 1;
cleanup:
- VIR_FREE(dst);
virStringListFree(options);
return ret;
}
@@ -444,8 +441,8 @@ lxcAddNetworkRouteDefinition(const char *address,
size_t *nroutes)
{
virNetDevIPRoutePtr route = NULL;
- char *familyStr = NULL;
- char *zero = NULL;
+ g_autofree char *familyStr = NULL;
+ g_autofree char *zero = NULL;
zero = g_strdup(family == AF_INET ? VIR_SOCKET_ADDR_IPV4_ALL : VIR_SOCKET_ADDR_IPV6_ALL);
@@ -459,14 +456,9 @@ lxcAddNetworkRouteDefinition(const char *address,
if (VIR_APPEND_ELEMENT(*routes, *nroutes, route) < 0)
goto error;
- VIR_FREE(familyStr);
- VIR_FREE(zero);
-
return 0;
error:
- VIR_FREE(familyStr);
- VIR_FREE(zero);
virNetDevIPRouteFree(route);
return -1;
}
@@ -499,7 +491,7 @@ lxcAddNetworkDefinition(virDomainDefPtr def, lxcNetworkParseData *data)
/* This still requires the user to manually setup the vlan interface
* on the host */
if (isVlan && data->vlanid) {
- VIR_FREE(hostdev->source.caps.u.net.ifname);
+ g_free(hostdev->source.caps.u.net.ifname);
hostdev->source.caps.u.net.ifname = g_strdup_printf("%s.%s",
data->link,
data->vlanid);
@@ -553,8 +545,9 @@ lxcAddNetworkDefinition(virDomainDefPtr def, lxcNetworkParseData *data)
error:
for (i = 0; i < data->nips; i++)
- VIR_FREE(data->ips[i]);
- VIR_FREE(data->ips);
+ g_free(data->ips[i]);
+ g_free(data->ips);
+ data->ips = NULL;
virDomainNetDefFree(net);
virDomainHostdevDefFree(hostdev);
return -1;
@@ -568,7 +561,7 @@ lxcNetworkParseDataIPs(const char *name,
{
int family = AF_INET;
char **ipparts = NULL;
- virNetDevIPAddrPtr ip = NULL;
+ g_autofree virNetDevIPAddrPtr ip = NULL;
if (VIR_ALLOC(ip) < 0)
return -1;
@@ -585,16 +578,13 @@ lxcNetworkParseDataIPs(const char *name,
_("Invalid CIDR address: '%s'"), value->str);
virStringListFree(ipparts);
- VIR_FREE(ip);
return -1;
}
virStringListFree(ipparts);
- if (VIR_APPEND_ELEMENT(parseData->ips, parseData->nips, ip) < 0) {
- VIR_FREE(ip);
+ if (VIR_APPEND_ELEMENT(parseData->ips, parseData->nips, ip) < 0)
return -1;
- }
return 0;
}
@@ -792,16 +782,18 @@ lxcConvertNetworkSettings(virDomainDefPtr def, virConfPtr properties)
cleanup:
for (i = 0; i < networks.ndata; i++)
- VIR_FREE(networks.parseData[i]);
- VIR_FREE(networks.parseData);
+ g_free(networks.parseData[i]);
+ g_free(networks.parseData);
+ networks.parseData = NULL;
return ret;
error:
for (i = 0; i < networks.ndata; i++) {
lxcNetworkParseDataPtr data = networks.parseData[i];
for (j = 0; j < data->nips; j++)
- VIR_FREE(data->ips[j]);
- VIR_FREE(data->ips);
+ g_free(data->ips[j]);
+ g_free(data->ips);
+ data->ips = NULL;
}
goto cleanup;
}
@@ -905,7 +897,8 @@ lxcSetMemTune(virDomainDefPtr def, virConfPtr properties)
size = size / 1024;
virDomainDefSetMemoryTotal(def, size);
def->mem.hard_limit = virMemoryLimitTruncate(size);
- VIR_FREE(value);
+ g_free(value);
+ value = NULL;
}
if (virConfGetValueString(properties,
@@ -914,7 +907,8 @@ lxcSetMemTune(virDomainDefPtr def, virConfPtr properties)
if (lxcConvertSize(value, &size) < 0)
return -1;
def->mem.soft_limit = virMemoryLimitTruncate(size / 1024);
- VIR_FREE(value);
+ g_free(value);
+ value = NULL;
}
if (virConfGetValueString(properties,
@@ -937,14 +931,16 @@ lxcSetCpuTune(virDomainDefPtr def, virConfPtr properties)
if (virStrToLong_ull(value, NULL, 10, &def->cputune.shares) < 0)
goto error;
def->cputune.sharesSpecified = true;
- VIR_FREE(value);
+ g_free(value);
+ value = NULL;
}
if (virConfGetValueString(properties, "lxc.cgroup.cpu.cfs_quota_us",
&value) > 0) {
if (virStrToLong_ll(value, NULL, 10, &def->cputune.quota) < 0)
goto error;
- VIR_FREE(value);
+ g_free(value);
+ value = NULL;
}
if (virConfGetValueString(properties, "lxc.cgroup.cpu.cfs_period_us",
@@ -972,7 +968,8 @@ lxcSetCpusetTune(virDomainDefPtr def, virConfPtr properties)
if (virBitmapParse(value, &def->cpumask, VIR_DOMAIN_CPUMASK_LEN) < 0)
return -1;
def->placement_mode = VIR_DOMAIN_CPU_PLACEMENT_MODE_STATIC;
- VIR_FREE(value);
+ g_free(value);
+ value = NULL;
}
if (virConfGetValueString(properties, "lxc.cgroup.cpuset.mems",
@@ -1001,7 +998,7 @@ lxcBlkioDeviceWalkCallback(const char *name, virConfValuePtr value, void *data)
virBlkioDevicePtr device = NULL;
virDomainDefPtr def = data;
size_t i = 0;
- char *path = NULL;
+ g_autofree char *path = NULL;
int ret = -1;
if (!STRPREFIX(name, "lxc.cgroup.blkio.") ||
@@ -1077,8 +1074,6 @@ lxcBlkioDeviceWalkCallback(const char *name, virConfValuePtr value, void *data)
cleanup:
virStringListFree(parts);
- VIR_FREE(path);
-
return ret;
}
@@ -1172,7 +1167,8 @@ lxcParseConfigString(const char *config,
else if (arch == VIR_ARCH_NONE && STREQ(value, "amd64"))
arch = VIR_ARCH_X86_64;
vmdef->os.arch = arch;
- VIR_FREE(value);
+ g_free(value);
+ value = NULL;
}
vmdef->os.init = g_strdup("/sbin/init");
diff --git a/src/lxc/lxc_process.c b/src/lxc/lxc_process.c
index 5199f3806e..998754062c 100644
--- a/src/lxc/lxc_process.c
+++ b/src/lxc/lxc_process.c
@@ -135,14 +135,13 @@ static void
lxcProcessRemoveDomainStatus(virLXCDriverConfigPtr cfg,
virDomainObjPtr vm)
{
- char *file = NULL;
-
- file = g_strdup_printf("%s/%s.xml", cfg->stateDir, vm->def->name);
+ g_autofree char *file = g_strdup_printf("%s/%s.xml",
+ cfg->stateDir,
+ vm->def->name);
if (unlink(file) < 0 && errno != ENOENT && errno != ENOTDIR)
VIR_WARN("Failed to remove domain XML for %s: %s",
vm->def->name, g_strerror(errno));
- VIR_FREE(file);
}
@@ -170,13 +169,12 @@ static void virLXCProcessCleanup(virLXCDriverPtr driver,
/* now that we know it's stopped call the hook if present */
if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
- char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
+ g_autofree char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
/* we can't stop the operation even if the script raised an error */
virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
VIR_HOOK_LXC_OP_STOPPED, VIR_HOOK_SUBOP_END,
NULL, xml, NULL);
- VIR_FREE(xml);
}
virSecurityManagerRestoreAllLabel(driver->securityManager,
@@ -185,9 +183,12 @@ static void virLXCProcessCleanup(virLXCDriverPtr driver,
/* Clear out dynamically assigned labels */
if (vm->def->nseclabels &&
vm->def->seclabels[0]->type == VIR_DOMAIN_SECLABEL_DYNAMIC) {
- VIR_FREE(vm->def->seclabels[0]->model);
- VIR_FREE(vm->def->seclabels[0]->label);
- VIR_FREE(vm->def->seclabels[0]->imagelabel);
+ g_free(vm->def->seclabels[0]->model);
+ g_free(vm->def->seclabels[0]->label);
+ g_free(vm->def->seclabels[0]->imagelabel);
+ vm->def->seclabels[0]->model = NULL;
+ vm->def->seclabels[0]->label = NULL;
+ vm->def->seclabels[0]->imagelabel = NULL;
}
/* Stop autodestroy in case guest is restarted */
@@ -243,17 +244,17 @@ static void virLXCProcessCleanup(virLXCDriverPtr driver,
* the bug we are working around here.
*/
virCgroupTerminateMachine(priv->machineName);
- VIR_FREE(priv->machineName);
+ g_free(priv->machineName);
+ priv->machineName = NULL;
/* The "release" hook cleans up additional resources */
if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
- char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
+ g_autofree char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
/* we can't stop the operation even if the script raised an error */
virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
VIR_HOOK_LXC_OP_RELEASE, VIR_HOOK_SUBOP_END,
NULL, xml, NULL);
- VIR_FREE(xml);
}
virDomainObjRemoveTransientDef(vm);
@@ -442,12 +443,9 @@ static int virLXCProcessSetupNamespaceName(virLXCDriverPtr driver,
static int virLXCProcessSetupNamespacePID(int ns_type, const char *name)
{
- int fd;
- char *path;
-
- path = g_strdup_printf("/proc/%s/ns/%s", name, nsInfoLocal[ns_type]);
- fd = open(path, O_RDONLY);
- VIR_FREE(path);
+ g_autofree char *path = g_strdup_printf("/proc/%s/ns/%s",
+ name, nsInfoLocal[ns_type]);
+ int fd = open(path, O_RDONLY);
if (fd < 0) {
virReportSystemError(errno,
_("failed to open ns %s"),
@@ -460,7 +458,7 @@ static int virLXCProcessSetupNamespacePID(int ns_type, const char *name)
static int virLXCProcessSetupNamespaceNet(int ns_type, const char *name)
{
- char *path;
+ g_autofree char *path = NULL;
int fd;
if (ns_type != VIR_LXC_DOMAIN_NAMESPACE_SHARENET) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
@@ -471,7 +469,6 @@ static int virLXCProcessSetupNamespaceNet(int ns_type, const char *name)
path = g_strdup_printf("%s/netns/%s", RUNSTATEDIR, name);
fd = open(path, O_RDONLY);
- VIR_FREE(path);
if (fd < 0) {
virReportSystemError(errno,
_("failed to open netns %s"), name);
@@ -669,7 +666,8 @@ virLXCProcessCleanInterfaces(virDomainDefPtr def)
size_t i;
for (i = 0; i < def->nnets; i++) {
- VIR_FREE(def->nets[i]->ifname_guest_actual);
+ g_free(def->nets[i]->ifname_guest_actual);
+ def->nets[i]->ifname_guest_actual = NULL;
VIR_DEBUG("Cleared net names: %s", def->nets[i]->ifname_guest);
}
}
@@ -757,24 +755,20 @@ virLXCProcessGetNsInode(pid_t pid,
const char *nsname,
ino_t *inode)
{
- char *path = NULL;
+ g_autofree char *path = NULL;
struct stat sb;
- int ret = -1;
path = g_strdup_printf("/proc/%lld/ns/%s", (long long)pid, nsname);
if (stat(path, &sb) < 0) {
virReportSystemError(errno,
_("Unable to stat %s"), path);
- goto cleanup;
+ return -1;
}
*inode = sb.st_ino;
- ret = 0;
- cleanup:
- VIR_FREE(path);
- return ret;
+ return 0;
}
@@ -929,8 +923,8 @@ virLXCProcessBuildControllerCmd(virLXCDriverPtr driver,
const char *pidfile)
{
size_t i;
- char *filterstr;
- char *outputstr;
+ g_autofree char *filterstr = NULL;
+ g_autofree char *outputstr = NULL;
virCommandPtr cmd;
virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
@@ -950,7 +944,6 @@ virLXCProcessBuildControllerCmd(virLXCDriverPtr driver,
}
virCommandAddEnvPair(cmd, "LIBVIRT_LOG_FILTERS", filterstr);
- VIR_FREE(filterstr);
}
if (cfg->log_libvirtd) {
@@ -962,7 +955,6 @@ virLXCProcessBuildControllerCmd(virLXCDriverPtr driver,
}
virCommandAddEnvPair(cmd, "LIBVIRT_LOG_OUTPUTS", outputstr);
- VIR_FREE(outputstr);
}
} else {
virCommandAddEnvFormat(cmd,
@@ -985,12 +977,11 @@ virLXCProcessBuildControllerCmd(virLXCDriverPtr driver,
for (i = 0; i < VIR_LXC_DOMAIN_NAMESPACE_LAST; i++) {
if (nsInheritFDs[i] > 0) {
- char *tmp = NULL;
- tmp = g_strdup_printf("--share-%s", nsInfoLocal[i]);
+ g_autofree char *tmp = g_strdup_printf("--share-%s",
+ nsInfoLocal[i]);
virCommandAddArg(cmd, tmp);
virCommandAddArgFormat(cmd, "%d", nsInheritFDs[i]);
virCommandPassFD(cmd, nsInheritFDs[i], 0);
- VIR_FREE(tmp);
}
}
@@ -1188,15 +1179,15 @@ int virLXCProcessStart(virConnectPtr conn,
{
int rc = -1, r;
size_t nttyFDs = 0;
- int *ttyFDs = NULL;
+ g_autofree int *ttyFDs = NULL;
size_t i;
- char *logfile = NULL;
+ g_autofree char *logfile = NULL;
int logfd = -1;
VIR_AUTOSTRINGLIST veths = NULL;
int handshakefds[2] = { -1, -1 };
off_t pos = -1;
char ebuf[1024];
- char *timestamp;
+ g_autofree char *timestamp = NULL;
int nsInheritFDs[VIR_LXC_DOMAIN_NAMESPACE_LAST];
virCommandPtr cmd = NULL;
virLXCDomainObjPrivatePtr priv = vm->privateData;
@@ -1205,7 +1196,7 @@ int virLXCProcessStart(virConnectPtr conn,
virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
virCgroupPtr selfcgroup;
int status;
- char *pidfile = NULL;
+ g_autofree char *pidfile = NULL;
if (virCgroupNewSelf(&selfcgroup) < 0)
return -1;
@@ -1283,18 +1274,14 @@ int virLXCProcessStart(virConnectPtr conn,
/* Run an early hook to set-up missing devices */
if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
- char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
- int hookret;
-
- hookret = virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
- VIR_HOOK_LXC_OP_PREPARE, VIR_HOOK_SUBOP_BEGIN,
- NULL, xml, NULL);
- VIR_FREE(xml);
+ g_autofree char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
/*
* If the script raised an error abort the launch
*/
- if (hookret < 0)
+ if (virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
+ VIR_HOOK_LXC_OP_PREPARE, VIR_HOOK_SUBOP_BEGIN,
+ NULL, xml, NULL) < 0)
goto cleanup;
}
@@ -1348,10 +1335,10 @@ int virLXCProcessStart(virConnectPtr conn,
goto cleanup;
}
- VIR_FREE(vm->def->consoles[i]->source->data.file.path);
+ g_free(vm->def->consoles[i]->source->data.file.path);
vm->def->consoles[i]->source->data.file.path = ttyPath;
- VIR_FREE(vm->def->consoles[i]->info.alias);
+ g_free(vm->def->consoles[i]->info.alias);
vm->def->consoles[i]->info.alias = g_strdup_printf("console%zu", i);
}
@@ -1388,18 +1375,14 @@ int virLXCProcessStart(virConnectPtr conn,
/* now that we know it is about to start call the hook if present */
if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
- char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
- int hookret;
-
- hookret = virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
- VIR_HOOK_LXC_OP_START, VIR_HOOK_SUBOP_BEGIN,
- NULL, xml, NULL);
- VIR_FREE(xml);
+ g_autofree char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
/*
* If the script raised an error abort the launch
*/
- if (hookret < 0)
+ if (virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
+ VIR_HOOK_LXC_OP_START, VIR_HOOK_SUBOP_BEGIN,
+ NULL, xml, NULL) < 0)
goto cleanup;
}
@@ -1411,7 +1394,6 @@ int virLXCProcessStart(virConnectPtr conn,
VIR_WARN("Unable to write timestamp to logfile: %s",
g_strerror(errno));
}
- VIR_FREE(timestamp);
/* Log generated command line */
virCommandWriteArgLog(cmd, logfd);
@@ -1530,18 +1512,14 @@ int virLXCProcessStart(virConnectPtr conn,
/* finally we can call the 'started' hook script if any */
if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
- char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
- int hookret;
-
- hookret = virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
- VIR_HOOK_LXC_OP_STARTED, VIR_HOOK_SUBOP_BEGIN,
- NULL, xml, NULL);
- VIR_FREE(xml);
+ g_autofree char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
/*
* If the script raised an error abort the launch
*/
- if (hookret < 0)
+ if (virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
+ VIR_HOOK_LXC_OP_STARTED, VIR_HOOK_SUBOP_BEGIN,
+ NULL, xml, NULL) < 0)
goto cleanup;
}
@@ -1559,11 +1537,8 @@ int virLXCProcessStart(virConnectPtr conn,
virCommandFree(cmd);
for (i = 0; i < nttyFDs; i++)
VIR_FORCE_CLOSE(ttyFDs[i]);
- VIR_FREE(ttyFDs);
VIR_FORCE_CLOSE(handshakefds[0]);
VIR_FORCE_CLOSE(handshakefds[1]);
- VIR_FREE(pidfile);
- VIR_FREE(logfile);
virObjectUnref(cfg);
virObjectUnref(caps);
@@ -1710,15 +1685,12 @@ virLXCProcessReconnectDomain(virDomainObjPtr vm,
/* now that we know it's reconnected call the hook if present */
if (virHookPresent(VIR_HOOK_DRIVER_LXC)) {
- char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
- int hookret;
+ g_autofree char *xml = virDomainDefFormat(vm->def, driver->xmlopt, 0);
/* we can't stop the operation even if the script raised an error */
- hookret = virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
- VIR_HOOK_LXC_OP_RECONNECT, VIR_HOOK_SUBOP_BEGIN,
- NULL, xml, NULL);
- VIR_FREE(xml);
- if (hookret < 0)
+ if (virHookCall(VIR_HOOK_DRIVER_LXC, vm->def->name,
+ VIR_HOOK_LXC_OP_RECONNECT, VIR_HOOK_SUBOP_BEGIN,
+ NULL, xml, NULL) < 0)
goto error;
}
--
2.24.1
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