[libvirt] [PATCH 06/15] storage: Use VIR_AUTOPTR(virCommand)
John Ferlan
jferlan at redhat.com
Wed Feb 6 13:41:38 UTC 2019
Let's make use of the auto __cleanup capabilities cleaning up any
now unnecessary goto paths.
Signed-off-by: John Ferlan <jferlan at redhat.com>
---
src/storage/storage_backend_disk.c | 85 +++++++++------------
src/storage/storage_backend_fs.c | 39 +++-------
src/storage/storage_backend_logical.c | 101 +++++++------------------
src/storage/storage_backend_sheepdog.c | 50 +++++-------
src/storage/storage_backend_vstorage.c | 14 +---
src/storage/storage_backend_zfs.c | 47 +++---------
src/storage/storage_driver.c | 3 +-
src/storage/storage_util.c | 34 +++------
src/util/virstoragefile.c | 63 +++++++--------
tests/storagepoolxml2argvtest.c | 3 +-
tests/storagevolxml2argvtest.c | 6 +-
tests/virstoragetest.c | 6 +-
12 files changed, 148 insertions(+), 303 deletions(-)
diff --git a/src/storage/storage_backend_disk.c b/src/storage/storage_backend_disk.c
index 061c494b7d..230cf44b97 100644
--- a/src/storage/storage_backend_disk.c
+++ b/src/storage/storage_backend_disk.c
@@ -356,7 +356,7 @@ virStorageBackendDiskReadPartitions(virStoragePoolObjPtr pool,
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
char *parthelper_path;
- virCommandPtr cmd;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
struct virStorageBackendDiskPoolVolData cbdata = {
.pool = pool,
.vol = vol,
@@ -392,7 +392,6 @@ virStorageBackendDiskReadPartitions(virStoragePoolObjPtr pool,
6,
virStorageBackendDiskMakeVol,
&cbdata);
- virCommandFree(cmd);
VIR_FREE(parthelper_path);
return ret;
}
@@ -421,7 +420,7 @@ virStorageBackendDiskReadGeometry(virStoragePoolObjPtr pool)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
char *parthelper_path;
- virCommandPtr cmd;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int ret;
if (!(parthelper_path = virFileFindResource("libvirt_parthelper",
@@ -438,7 +437,6 @@ virStorageBackendDiskReadGeometry(virStoragePoolObjPtr pool)
3,
virStorageBackendDiskMakePoolGeometry,
pool);
- virCommandFree(cmd);
VIR_FREE(parthelper_path);
return ret;
}
@@ -502,51 +500,40 @@ virStorageBackendDiskBuildPool(virStoragePoolObjPtr pool,
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
int format = def->source.format;
const char *fmt;
- bool ok_to_mklabel = false;
- int ret = -1;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
virCheckFlags(VIR_STORAGE_POOL_BUILD_OVERWRITE |
- VIR_STORAGE_POOL_BUILD_NO_OVERWRITE, ret);
+ VIR_STORAGE_POOL_BUILD_NO_OVERWRITE, -1);
- VIR_EXCLUSIVE_FLAGS_GOTO(VIR_STORAGE_POOL_BUILD_OVERWRITE,
- VIR_STORAGE_POOL_BUILD_NO_OVERWRITE,
- error);
+ VIR_EXCLUSIVE_FLAGS_RET(VIR_STORAGE_POOL_BUILD_OVERWRITE,
+ VIR_STORAGE_POOL_BUILD_NO_OVERWRITE,
+ -1);
fmt = virStoragePoolFormatDiskTypeToString(format);
- if (flags & VIR_STORAGE_POOL_BUILD_OVERWRITE) {
- ok_to_mklabel = true;
- } else {
- if (virStorageBackendDeviceIsEmpty(def->source.devices[0].path,
- fmt, true))
- ok_to_mklabel = true;
- }
+ if (!(flags & VIR_STORAGE_POOL_BUILD_OVERWRITE) &&
+ !(virStorageBackendDeviceIsEmpty(def->source.devices[0].path,
+ fmt, true)))
+ return -1;
- if (ok_to_mklabel) {
- if (virStorageBackendZeroPartitionTable(def->source.devices[0].path,
- 1024 * 1024) < 0)
- goto error;
+ if (virStorageBackendZeroPartitionTable(def->source.devices[0].path,
+ 1024 * 1024) < 0)
+ return -1;
- /* eg parted /dev/sda mklabel --script msdos */
- if (format == VIR_STORAGE_POOL_DISK_UNKNOWN)
- format = def->source.format = VIR_STORAGE_POOL_DISK_DOS;
- if (format == VIR_STORAGE_POOL_DISK_DOS)
- fmt = "msdos";
- else
- fmt = virStoragePoolFormatDiskTypeToString(format);
-
- cmd = virCommandNewArgList(PARTED,
- def->source.devices[0].path,
- "mklabel",
- "--script",
- fmt,
- NULL);
- ret = virCommandRun(cmd, NULL);
- }
+ /* eg parted /dev/sda mklabel --script msdos */
+ if (format == VIR_STORAGE_POOL_DISK_UNKNOWN)
+ format = def->source.format = VIR_STORAGE_POOL_DISK_DOS;
+ if (format == VIR_STORAGE_POOL_DISK_DOS)
+ fmt = "msdos";
+ else
+ fmt = virStoragePoolFormatDiskTypeToString(format);
- error:
- virCommandFree(cmd);
- return ret;
+ cmd = virCommandNewArgList(PARTED,
+ def->source.devices[0].path,
+ "mklabel",
+ "--script",
+ fmt,
+ NULL);
+ return virCommandRun(cmd, NULL);
}
@@ -787,7 +774,7 @@ virStorageBackendDiskDeleteVol(virStoragePoolObjPtr pool,
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
char *src_path = def->source.devices[0].path;
char *srcname = last_component(src_path);
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
bool isDevMapperDevice;
int rc = -1;
@@ -862,7 +849,6 @@ virStorageBackendDiskDeleteVol(virStoragePoolObjPtr pool,
rc = 0;
cleanup:
VIR_FREE(devpath);
- virCommandFree(cmd);
return rc;
}
@@ -876,11 +862,13 @@ virStorageBackendDiskCreateVol(virStoragePoolObjPtr pool,
unsigned long long startOffset = 0, endOffset = 0;
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
virErrorPtr save_err;
- virCommandPtr cmd = virCommandNewArgList(PARTED,
- def->source.devices[0].path,
- "mkpart",
- "--script",
- NULL);
+ VIR_AUTOPTR(virCommand) cmd = NULL;
+
+ cmd = virCommandNewArgList(PARTED,
+ def->source.devices[0].path,
+ "mkpart",
+ "--script",
+ NULL);
if (vol->target.encryption &&
vol->target.encryption->format != VIR_STORAGE_ENCRYPTION_FORMAT_LUKS) {
@@ -934,7 +922,6 @@ virStorageBackendDiskCreateVol(virStoragePoolObjPtr pool,
cleanup:
VIR_FREE(partFormat);
- virCommandFree(cmd);
return res;
error:
diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
index 06c76fde4f..7d05ceeeb8 100644
--- a/src/storage/storage_backend_fs.c
+++ b/src/storage/storage_backend_fs.c
@@ -95,8 +95,6 @@ virStorageBackendFileSystemNetFindPoolSourcesFunc(char **const groups,
static int
virStorageBackendFileSystemNetFindNFSPoolSources(virNetfsDiscoverState *state)
{
- int ret = -1;
-
/*
* # showmount --no-headers -e HOSTNAME
* /tmp *
@@ -112,7 +110,7 @@ virStorageBackendFileSystemNetFindNFSPoolSources(virNetfsDiscoverState *state)
1
};
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
cmd = virCommandNewArgList(SHOWMOUNT,
"--no-headers",
@@ -120,16 +118,9 @@ virStorageBackendFileSystemNetFindNFSPoolSources(virNetfsDiscoverState *state)
state->host,
NULL);
- if (virCommandRunRegex(cmd, 1, regexes, vars,
- virStorageBackendFileSystemNetFindPoolSourcesFunc,
- state, NULL, NULL) < 0)
- goto cleanup;
-
- ret = 0;
-
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return virCommandRunRegex(cmd, 1, regexes, vars,
+ virStorageBackendFileSystemNetFindPoolSourcesFunc,
+ state, NULL, NULL);
}
@@ -309,7 +300,7 @@ virStorageBackendFileSystemMount(virStoragePoolObjPtr pool)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
char *src = NULL;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int ret = -1;
int rc;
@@ -334,7 +325,6 @@ virStorageBackendFileSystemMount(virStoragePoolObjPtr pool)
ret = 0;
cleanup:
- virCommandFree(cmd);
VIR_FREE(src);
return ret;
}
@@ -376,8 +366,7 @@ static int
virStorageBackendFileSystemStop(virStoragePoolObjPtr pool)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
- int ret = -1;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int rc;
if (virStorageBackendFileSystemIsValid(pool) < 0)
@@ -388,13 +377,7 @@ virStorageBackendFileSystemStop(virStoragePoolObjPtr pool)
return rc;
cmd = virCommandNewArgList(UMOUNT, def->target.path, NULL);
- if (virCommandRun(cmd, NULL) < 0)
- goto cleanup;
-
- ret = 0;
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return virCommandRun(cmd, NULL);
}
#endif /* WITH_STORAGE_FS */
@@ -432,8 +415,7 @@ static int
virStorageBackendExecuteMKFS(const char *device,
const char *format)
{
- int ret = 0;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
cmd = virCommandNewArgList(MKFS, "-t", format, NULL);
@@ -456,11 +438,10 @@ virStorageBackendExecuteMKFS(const char *device,
_("Failed to make filesystem of "
"type '%s' on device '%s'"),
format, device);
- ret = -1;
+ return -1;
}
- virCommandFree(cmd);
- return ret;
+ return 0;
}
#else /* #ifdef MKFS */
static int
diff --git a/src/storage/storage_backend_logical.c b/src/storage/storage_backend_logical.c
index fd95bd0d48..e0ddc962b1 100644
--- a/src/storage/storage_backend_logical.c
+++ b/src/storage/storage_backend_logical.c
@@ -48,13 +48,11 @@ static int
virStorageBackendLogicalSetActive(virStoragePoolObjPtr pool,
bool on)
{
- int ret;
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = virStorageBackendLogicalChangeCmd(VGCHANGE, def, on);
+ VIR_AUTOPTR(virCommand) cmd = NULL;
- ret = virCommandRun(cmd, NULL);
- virCommandFree(cmd);
- return ret;
+ cmd = virStorageBackendLogicalChangeCmd(VGCHANGE, def, on);
+ return virCommandRun(cmd, NULL);
}
@@ -67,11 +65,11 @@ virStorageBackendLogicalSetActive(virStoragePoolObjPtr pool,
static void
virStorageBackendLogicalRemoveDevice(const char *path)
{
- virCommandPtr cmd = virCommandNewArgList(PVREMOVE, path, NULL);
+ VIR_AUTOPTR(virCommand) cmd = NULL;
+ cmd = virCommandNewArgList(PVREMOVE, path, NULL);
if (virCommandRun(cmd, NULL) < 0)
VIR_INFO("Failed to pvremove logical device '%s'", path);
- virCommandFree(cmd);
}
@@ -85,8 +83,7 @@ virStorageBackendLogicalRemoveDevice(const char *path)
static int
virStorageBackendLogicalInitializeDevice(const char *path)
{
- int ret = -1;
- virCommandPtr pvcmd = NULL;
+ VIR_AUTOPTR(virCommand) pvcmd = NULL;
/*
* LVM requires that the first sector is blanked if using
@@ -101,15 +98,7 @@ virStorageBackendLogicalInitializeDevice(const char *path)
* clever enough todo this for us :-(
*/
pvcmd = virCommandNewArgList(PVCREATE, path, NULL);
- if (virCommandRun(pvcmd, NULL) < 0)
- goto cleanup;
-
- ret = 0;
-
- cleanup:
- virCommandFree(pvcmd);
-
- return ret;
+ return virCommandRun(pvcmd, NULL);
}
@@ -426,8 +415,7 @@ virStorageBackendLogicalFindLVs(virStoragePoolObjPtr pool,
int vars[] = {
VIR_STORAGE_VOL_LOGICAL_REGEX_COUNT
};
- int ret = -1;
- virCommandPtr cmd;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
struct virStorageBackendLogicalPoolVolData cbdata = {
.pool = pool,
@@ -444,20 +432,9 @@ virStorageBackendLogicalFindLVs(virStoragePoolObjPtr pool,
"lv_name,origin,uuid,devices,segtype,stripes,seg_size,vg_extent_size,size,lv_attr",
def->source.name,
NULL);
- if (virCommandRunRegex(cmd,
- 1,
- regexes,
- vars,
- virStorageBackendLogicalMakeVol,
- &cbdata,
- "lvs",
- NULL) < 0)
- goto cleanup;
-
- ret = 0;
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return virCommandRunRegex(cmd, 1, regexes, vars,
+ virStorageBackendLogicalMakeVol,
+ &cbdata, "lvs", NULL);
}
static int
@@ -550,8 +527,7 @@ virStorageBackendLogicalGetPoolSources(virStoragePoolSourceListPtr sourceList)
int vars[] = {
2
};
- virCommandPtr cmd;
- int ret = -1;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
/*
* NOTE: ignoring errors here; this is just to "touch" any logical volumes
@@ -567,15 +543,9 @@ virStorageBackendLogicalGetPoolSources(virStoragePoolSourceListPtr sourceList)
"--noheadings",
"-o", "pv_name,vg_name",
NULL, NULL);
- if (virCommandRunRegex(cmd, 1, regexes, vars,
- virStorageBackendLogicalFindPoolSourcesFunc,
- sourceList, "pvs", NULL) < 0)
- goto cleanup;
- ret = 0;
-
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return virCommandRunRegex(cmd, 1, regexes, vars,
+ virStorageBackendLogicalFindPoolSourcesFunc,
+ sourceList, "pvs", NULL);
}
@@ -737,7 +707,7 @@ virStorageBackendLogicalBuildPool(virStoragePoolObjPtr pool,
unsigned int flags)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr vgcmd = NULL;
+ VIR_AUTOPTR(virCommand) vgcmd = NULL;
int ret = -1;
size_t i = 0;
@@ -773,8 +743,6 @@ virStorageBackendLogicalBuildPool(virStoragePoolObjPtr pool,
ret = 0;
cleanup:
- virCommandFree(vgcmd);
-
/* On any failure, run through the devices that had pvcreate run in
* in order to run pvremove on the device; otherwise, subsequent build
* will fail if a pvcreate had been run already. */
@@ -805,7 +773,7 @@ virStorageBackendLogicalRefreshPool(virStoragePoolObjPtr pool)
2
};
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int ret = -1;
virWaitForDevices();
@@ -838,7 +806,6 @@ virStorageBackendLogicalRefreshPool(virStoragePoolObjPtr pool)
ret = 0;
cleanup:
- virCommandFree(cmd);
if (ret < 0)
virStoragePoolObjClearVols(pool);
return ret;
@@ -863,9 +830,8 @@ virStorageBackendLogicalDeletePool(virStoragePoolObjPtr pool,
unsigned int flags)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
size_t i;
- int ret = -1;
virCheckFlags(0, -1);
@@ -874,17 +840,13 @@ virStorageBackendLogicalDeletePool(virStoragePoolObjPtr pool,
"-f", def->source.name,
NULL);
if (virCommandRun(cmd, NULL) < 0)
- goto cleanup;
+ return -1;
/* now remove the pv devices and clear them out */
for (i = 0; i < def->source.ndevice; i++)
virStorageBackendLogicalRemoveDevice(def->source.devices[i].path);
- ret = 0;
-
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return 0;
}
@@ -893,10 +855,8 @@ virStorageBackendLogicalDeleteVol(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
virStorageVolDefPtr vol,
unsigned int flags)
{
- int ret = -1;
-
- virCommandPtr lvchange_cmd = NULL;
- virCommandPtr lvremove_cmd = NULL;
+ VIR_AUTOPTR(virCommand) lvchange_cmd = NULL;
+ VIR_AUTOPTR(virCommand) lvremove_cmd = NULL;
virCheckFlags(0, -1);
@@ -907,18 +867,14 @@ virStorageBackendLogicalDeleteVol(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
if (virCommandRun(lvremove_cmd, NULL) < 0) {
if (virCommandRun(lvchange_cmd, NULL) < 0) {
- goto cleanup;
+ return -1;
} else {
if (virCommandRun(lvremove_cmd, NULL) < 0)
- goto cleanup;
+ return -1;
}
}
- ret = 0;
- cleanup:
- virCommandFree(lvchange_cmd);
- virCommandFree(lvremove_cmd);
- return ret;
+ return 0;
}
@@ -926,9 +882,8 @@ static int
virStorageBackendLogicalLVCreate(virStorageVolDefPtr vol,
virStoragePoolDefPtr def)
{
- int ret;
unsigned long long capacity = vol->target.capacity;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
if (vol->target.encryption &&
vol->target.encryption->format != VIR_STORAGE_ENCRYPTION_FORMAT_LUKS) {
@@ -961,9 +916,7 @@ virStorageBackendLogicalLVCreate(virStorageVolDefPtr vol,
else
virCommandAddArg(cmd, def->source.name);
- ret = virCommandRun(cmd, NULL);
- virCommandFree(cmd);
- return ret;
+ return virCommandRun(cmd, NULL);
}
diff --git a/src/storage/storage_backend_sheepdog.c b/src/storage/storage_backend_sheepdog.c
index 458dbca58b..d9de74f52e 100644
--- a/src/storage/storage_backend_sheepdog.c
+++ b/src/storage/storage_backend_sheepdog.c
@@ -140,9 +140,10 @@ virStorageBackendSheepdogRefreshAllVol(virStoragePoolObjPtr pool)
char *output = NULL;
VIR_AUTOPTR(virString) lines = NULL;
VIR_AUTOPTR(virString) cells = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
size_t i;
- virCommandPtr cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "list", "-r", NULL);
+ cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "list", "-r", NULL);
virStorageBackendSheepdogAddHostArg(cmd, pool);
virCommandSetOutputBuffer(cmd, &output);
if (virCommandRun(cmd, NULL) < 0)
@@ -172,7 +173,6 @@ virStorageBackendSheepdogRefreshAllVol(virStoragePoolObjPtr pool)
ret = 0;
cleanup:
- virCommandFree(cmd);
VIR_FREE(output);
return ret;
}
@@ -183,7 +183,7 @@ virStorageBackendSheepdogRefreshPool(virStoragePoolObjPtr pool)
{
int ret = -1;
char *output = NULL;
- virCommandPtr cmd;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
cmd = virCommandNewArgList(SHEEPDOGCLI, "node", "info", "-r", NULL);
virStorageBackendSheepdogAddHostArg(cmd, pool);
@@ -197,7 +197,6 @@ virStorageBackendSheepdogRefreshPool(virStoragePoolObjPtr pool)
ret = virStorageBackendSheepdogRefreshAllVol(pool);
cleanup:
- virCommandFree(cmd);
VIR_FREE(output);
return ret;
}
@@ -208,14 +207,12 @@ virStorageBackendSheepdogDeleteVol(virStoragePoolObjPtr pool,
virStorageVolDefPtr vol,
unsigned int flags)
{
+ VIR_AUTOPTR(virCommand) cmd = NULL;
virCheckFlags(0, -1);
- virCommandPtr cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "delete", vol->name, NULL);
+ cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "delete", vol->name, NULL);
virStorageBackendSheepdogAddHostArg(cmd, pool);
- int ret = virCommandRun(cmd, NULL);
-
- virCommandFree(cmd);
- return ret;
+ return virCommandRun(cmd, NULL);
}
@@ -252,27 +249,20 @@ virStorageBackendSheepdogBuildVol(virStoragePoolObjPtr pool,
virStorageVolDefPtr vol,
unsigned int flags)
{
- int ret = -1;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
virCheckFlags(0, -1);
if (!vol->target.capacity) {
virReportError(VIR_ERR_NO_SUPPORT, "%s",
_("volume capacity required for this pool"));
- goto cleanup;
+ return -1;
}
cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "create", vol->name, NULL);
virCommandAddArgFormat(cmd, "%llu", vol->target.capacity);
virStorageBackendSheepdogAddHostArg(cmd, pool);
- if (virCommandRun(cmd, NULL) < 0)
- goto cleanup;
-
- ret = 0;
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return virCommandRun(cmd, NULL);
}
@@ -344,30 +334,30 @@ virStorageBackendSheepdogRefreshVol(virStoragePoolObjPtr pool,
int ret;
char *output = NULL;
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "list", vol->name, "-r", NULL);
+ VIR_AUTOPTR(virCommand) cmd = NULL;
+ cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "list", vol->name, "-r", NULL);
virStorageBackendSheepdogAddHostArg(cmd, pool);
virCommandSetOutputBuffer(cmd, &output);
ret = virCommandRun(cmd, NULL);
if (ret < 0)
- goto cleanup;
+ return ret;
if ((ret = virStorageBackendSheepdogParseVdiList(vol, output)) < 0)
- goto cleanup;
+ return ret;
vol->type = VIR_STORAGE_VOL_NETWORK;
VIR_FREE(vol->key);
if (virAsprintf(&vol->key, "%s/%s",
def->source.name, vol->name) < 0)
- goto cleanup;
+ return -1;
VIR_FREE(vol->target.path);
ignore_value(VIR_STRDUP(vol->target.path, vol->name));
- cleanup:
- virCommandFree(cmd);
- return ret;
+
+ return 0;
}
@@ -377,15 +367,13 @@ virStorageBackendSheepdogResizeVol(virStoragePoolObjPtr pool,
unsigned long long capacity,
unsigned int flags)
{
+ VIR_AUTOPTR(virCommand) cmd = NULL;
virCheckFlags(0, -1);
- virCommandPtr cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "resize", vol->name, NULL);
+ cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "resize", vol->name, NULL);
virCommandAddArgFormat(cmd, "%llu", capacity);
virStorageBackendSheepdogAddHostArg(cmd, pool);
- int ret = virCommandRun(cmd, NULL);
-
- virCommandFree(cmd);
- return ret;
+ return virCommandRun(cmd, NULL);
}
diff --git a/src/storage/storage_backend_vstorage.c b/src/storage/storage_backend_vstorage.c
index 0a9abd446b..e62234fd70 100644
--- a/src/storage/storage_backend_vstorage.c
+++ b/src/storage/storage_backend_vstorage.c
@@ -39,7 +39,7 @@ virStorageBackendVzPoolStart(virStoragePoolObjPtr pool)
{
int ret = -1;
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
char *grp_name = NULL;
char *usr_name = NULL;
char *mode = NULL;
@@ -75,7 +75,6 @@ virStorageBackendVzPoolStart(virStoragePoolObjPtr pool)
ret = 0;
cleanup:
- virCommandFree(cmd);
VIR_FREE(mode);
VIR_FREE(grp_name);
VIR_FREE(usr_name);
@@ -125,8 +124,7 @@ static int
virStorageBackendVzPoolStop(virStoragePoolObjPtr pool)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
- int ret = -1;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int rc;
/* Short-circuit if already unmounted */
@@ -134,13 +132,7 @@ virStorageBackendVzPoolStop(virStoragePoolObjPtr pool)
return rc;
cmd = virCommandNewArgList(UMOUNT, def->target.path, NULL);
- if (virCommandRun(cmd, NULL) < 0)
- goto cleanup;
-
- ret = 0;
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return virCommandRun(cmd, NULL);
}
diff --git a/src/storage/storage_backend_zfs.c b/src/storage/storage_backend_zfs.c
index f728477c2a..55f8a138cf 100644
--- a/src/storage/storage_backend_zfs.c
+++ b/src/storage/storage_backend_zfs.c
@@ -51,7 +51,7 @@ VIR_LOG_INIT("storage.storage_backend_zfs");
static int
virStorageBackendZFSVolModeNeeded(void)
{
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int ret = -1, exit_code = -1;
char *error = NULL;
@@ -77,7 +77,6 @@ virStorageBackendZFSVolModeNeeded(void)
ret = 0;
cleanup:
- virCommandFree(cmd);
VIR_FREE(error);
return ret;
}
@@ -179,7 +178,7 @@ virStorageBackendZFSFindVols(virStoragePoolObjPtr pool,
virStorageVolDefPtr vol)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
char *volumes_list = NULL;
VIR_AUTOPTR(virString) lines = NULL;
size_t i;
@@ -218,7 +217,6 @@ virStorageBackendZFSFindVols(virStoragePoolObjPtr pool,
}
cleanup:
- virCommandFree(cmd);
VIR_FREE(volumes_list);
return 0;
@@ -228,8 +226,8 @@ static int
virStorageBackendZFSRefreshPool(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
char *zpool_props = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
VIR_AUTOPTR(virString) lines = NULL;
VIR_AUTOPTR(virString) tokens = NULL;
size_t i;
@@ -292,7 +290,6 @@ virStorageBackendZFSRefreshPool(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED)
goto cleanup;
cleanup:
- virCommandFree(cmd);
VIR_FREE(zpool_props);
return 0;
@@ -303,7 +300,7 @@ virStorageBackendZFSCreateVol(virStoragePoolObjPtr pool,
virStorageVolDefPtr vol)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int ret = -1;
int volmode_needed = -1;
@@ -364,7 +361,6 @@ virStorageBackendZFSCreateVol(virStoragePoolObjPtr pool,
ret = 0;
cleanup:
- virCommandFree(cmd);
return ret;
}
@@ -374,9 +370,8 @@ virStorageBackendZFSDeleteVol(virStoragePoolObjPtr pool,
virStorageVolDefPtr vol,
unsigned int flags)
{
- int ret = -1;
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr destroy_cmd = NULL;
+ VIR_AUTOPTR(virCommand) destroy_cmd = NULL;
virCheckFlags(0, -1);
@@ -385,13 +380,7 @@ virStorageBackendZFSDeleteVol(virStoragePoolObjPtr pool,
virCommandAddArgFormat(destroy_cmd, "%s/%s",
def->source.name, vol->name);
- if (virCommandRun(destroy_cmd, NULL) < 0)
- goto cleanup;
-
- ret = 0;
- cleanup:
- virCommandFree(destroy_cmd);
- return ret;
+ return virCommandRun(destroy_cmd, NULL);
}
static int
@@ -399,9 +388,8 @@ virStorageBackendZFSBuildPool(virStoragePoolObjPtr pool,
unsigned int flags)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
size_t i;
- int ret = -1;
virCheckFlags(0, -1);
@@ -417,14 +405,7 @@ virStorageBackendZFSBuildPool(virStoragePoolObjPtr pool,
for (i = 0; i < def->source.ndevice; i++)
virCommandAddArg(cmd, def->source.devices[i].path);
- if (virCommandRun(cmd, NULL) < 0)
- goto cleanup;
-
- ret = 0;
-
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return virCommandRun(cmd, NULL);
}
static int
@@ -432,22 +413,14 @@ virStorageBackendZFSDeletePool(virStoragePoolObjPtr pool,
unsigned int flags)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virCommandPtr cmd = NULL;
- int ret = -1;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
virCheckFlags(0, -1);
cmd = virCommandNewArgList(ZPOOL, "destroy",
def->source.name, NULL);
- if (virCommandRun(cmd, NULL) < 0)
- goto cleanup;
-
- ret = 0;
-
- cleanup:
- virCommandFree(cmd);
- return ret;
+ return virCommandRun(cmd, NULL);
}
virStorageBackend virStorageBackendZFS = {
diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
index dcdd52bbbf..7c377439dc 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -2207,7 +2207,7 @@ static int
virStorageBackendPloopRestoreDesc(char *path)
{
int ret = -1;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
char *refresh_tool = NULL;
char *desc = NULL;
@@ -2238,7 +2238,6 @@ virStorageBackendPloopRestoreDesc(char *path)
cleanup:
VIR_FREE(refresh_tool);
- virCommandFree(cmd);
VIR_FREE(desc);
return ret;
}
diff --git a/src/storage/storage_util.c b/src/storage/storage_util.c
index 158cf3adb6..b9dbd3048a 100644
--- a/src/storage/storage_util.c
+++ b/src/storage/storage_util.c
@@ -617,7 +617,7 @@ storageBackendCreatePloop(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
unsigned int flags)
{
int ret = -1;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
char *create_tool = NULL;
bool created = false;
@@ -677,7 +677,6 @@ storageBackendCreatePloop(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
created = true;
ret = virCommandRun(cmd, NULL);
cleanup:
- virCommandFree(cmd);
VIR_FREE(create_tool);
if (ret < 0 && created)
virFileDeleteTree(vol->target.path);
@@ -690,7 +689,7 @@ storagePloopResize(virStorageVolDefPtr vol,
unsigned long long capacity)
{
int ret = -1;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
char *resize_tool = NULL;
resize_tool = virFindFileInPath("ploop");
@@ -705,7 +704,6 @@ storagePloopResize(virStorageVolDefPtr vol,
virCommandAddArgFormat(cmd, "%s/DiskDescriptor.xml", vol->target.path);
ret = virCommandRun(cmd, NULL);
- virCommandFree(cmd);
VIR_FREE(resize_tool);
return ret;
}
@@ -1319,8 +1317,7 @@ storageBackendDoCreateQemuImg(virStoragePoolObjPtr pool,
const char *inputSecretPath,
virStorageVolEncryptConvertStep convertStep)
{
- int ret;
- virCommandPtr cmd;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
cmd = virStorageBackendCreateQemuImgCmdFromVol(pool, vol, inputvol,
flags, create_tool,
@@ -1329,11 +1326,7 @@ storageBackendDoCreateQemuImg(virStoragePoolObjPtr pool,
if (!cmd)
return -1;
- ret = virStorageBackendCreateExecCommand(pool, vol, cmd);
-
- virCommandFree(cmd);
-
- return ret;
+ return virStorageBackendCreateExecCommand(pool, vol, cmd);
}
@@ -2324,7 +2317,7 @@ storageBackendResizeQemuImg(virStoragePoolObjPtr pool,
{
int ret = -1;
char *img_tool = NULL;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
const char *type;
char *secretPath = NULL;
char *secretAlias = NULL;
@@ -2395,7 +2388,6 @@ storageBackendResizeQemuImg(virStoragePoolObjPtr pool,
VIR_FREE(secretPath);
}
VIR_FREE(secretAlias);
- virCommandFree(cmd);
return ret;
}
@@ -2449,7 +2441,7 @@ virStorageBackendVolResizeLocal(virStoragePoolObjPtr pool,
static int
storageBackendPloopHasSnapshots(char *path)
{
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
char *output = NULL;
char *snap_tool = NULL;
int ret = -1;
@@ -2477,7 +2469,6 @@ storageBackendPloopHasSnapshots(char *path)
cleanup:
VIR_FREE(output);
- virCommandFree(cmd);
return ret;
}
@@ -2685,7 +2676,7 @@ storageBackendVolWipeLocalFile(const char *path,
int ret = -1, fd = -1;
const char *alg_char = NULL;
struct stat st;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
fd = open(path, O_RDWR);
if (fd == -1) {
@@ -2763,7 +2754,6 @@ storageBackendVolWipeLocalFile(const char *path,
}
cleanup:
- virCommandFree(cmd);
VIR_FORCE_CLOSE(fd);
return ret;
}
@@ -2773,7 +2763,7 @@ static int
storageBackendVolWipePloop(virStorageVolDefPtr vol,
unsigned int algorithm)
{
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
char *target_path = NULL;
char *disk_desc = NULL;
char *create_tool = NULL;
@@ -2820,7 +2810,6 @@ storageBackendVolWipePloop(virStorageVolDefPtr vol,
VIR_FREE(disk_desc);
VIR_FREE(target_path);
VIR_FREE(create_tool);
- virCommandFree(cmd);
return ret;
}
@@ -3034,7 +3023,7 @@ virStorageBackendFindGlusterPoolSources(const char *host,
{
char *glusterpath = NULL;
char *outbuf = NULL;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int rc;
int ret = -1;
@@ -3069,7 +3058,6 @@ virStorageBackendFindGlusterPoolSources(const char *host,
cleanup:
VIR_FREE(outbuf);
- virCommandFree(cmd);
VIR_FREE(glusterpath);
return ret;
}
@@ -3309,12 +3297,13 @@ virStorageBackendPARTEDFindLabel(const char *device,
const char *const args[] = {
device, "print", "--script", NULL,
};
- virCommandPtr cmd = virCommandNew(PARTED);
+ VIR_AUTOPTR(virCommand) cmd = NULL;
char *output = NULL;
char *error = NULL;
char *start, *end;
int ret = VIR_STORAGE_PARTED_ERROR;
+ cmd = virCommandNew(PARTED);
virCommandAddArgSet(cmd, args);
virCommandAddEnvString(cmd, "LC_ALL=C");
virCommandSetOutputBuffer(cmd, &output);
@@ -3359,7 +3348,6 @@ virStorageBackendPARTEDFindLabel(const char *device,
ret = VIR_STORAGE_PARTED_DIFFERENT;
cleanup:
- virCommandFree(cmd);
VIR_FREE(output);
VIR_FREE(error);
return ret;
diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index cd2437a03e..2e5c64e034 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -1376,13 +1376,14 @@ int virStorageFileGetLVMKey(const char *path,
* 06UgP5-2rhb-w3Bo-3mdR-WeoL-pytO-SAa2ky
*/
int status;
- virCommandPtr cmd = virCommandNewArgList(LVS, "--noheadings",
- "--unbuffered", "--nosuffix",
- "--options", "uuid", path,
- NULL
- );
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int ret = -1;
+ cmd = virCommandNewArgList(LVS, "--noheadings",
+ "--unbuffered", "--nosuffix",
+ "--options", "uuid", path,
+ NULL
+ );
*key = NULL;
/* Run the program and capture its output */
@@ -1417,8 +1418,6 @@ int virStorageFileGetLVMKey(const char *path,
if (*key && STREQ(*key, ""))
VIR_FREE(*key);
- virCommandFree(cmd);
-
return ret;
}
#else
@@ -1451,20 +1450,20 @@ virStorageFileGetSCSIKey(const char *path,
bool ignoreError ATTRIBUTE_UNUSED)
{
int status;
- virCommandPtr cmd = virCommandNewArgList("/lib/udev/scsi_id",
- "--replace-whitespace",
- "--whitelisted",
- "--device", path,
- NULL
- );
- int ret = -2;
-
+ VIR_AUTOPTR(virCommand) cmd = NULL;
+
+ cmd = virCommandNewArgList("/lib/udev/scsi_id",
+ "--replace-whitespace",
+ "--whitelisted",
+ "--device", path,
+ NULL
+ );
*key = NULL;
/* Run the program and capture its output */
virCommandSetOutputBuffer(cmd, key);
if (virCommandRun(cmd, &status) < 0)
- goto cleanup;
+ return -2;
/* Explicitly check status == 0, rather than passing NULL
* to virCommandRun because we don't want to raise an actual
@@ -1476,15 +1475,10 @@ virStorageFileGetSCSIKey(const char *path,
*nl = '\0';
}
- ret = 0;
-
- cleanup:
if (*key && STREQ(*key, ""))
VIR_FREE(*key);
- virCommandFree(cmd);
-
- return ret;
+ return 0;
}
#else
int virStorageFileGetSCSIKey(const char *path,
@@ -1522,23 +1516,23 @@ virStorageFileGetNPIVKey(const char *path,
{
int status;
VIR_AUTOFREE(char *) outbuf = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
const char *serial;
const char *port;
- virCommandPtr cmd = virCommandNewArgList("/lib/udev/scsi_id",
- "--replace-whitespace",
- "--whitelisted",
- "--export",
- "--device", path,
- NULL
- );
- int ret = -2;
+ cmd = virCommandNewArgList("/lib/udev/scsi_id",
+ "--replace-whitespace",
+ "--whitelisted",
+ "--export",
+ "--device", path,
+ NULL
+ );
*key = NULL;
/* Run the program and capture its output */
virCommandSetOutputBuffer(cmd, &outbuf);
if (virCommandRun(cmd, &status) < 0)
- goto cleanup;
+ return -2;
/* Explicitly check status == 0, rather than passing NULL
* to virCommandRun because we don't want to raise an actual
@@ -1562,12 +1556,7 @@ virStorageFileGetNPIVKey(const char *path,
ignore_value(virAsprintf(key, "%s_PORT%s", serial, port));
}
- ret = 0;
-
- cleanup:
- virCommandFree(cmd);
-
- return ret;
+ return 0;
}
#else
int virStorageFileGetNPIVKey(const char *path ATTRIBUTE_UNUSED,
diff --git a/tests/storagepoolxml2argvtest.c b/tests/storagepoolxml2argvtest.c
index 2dd87ab731..116a75c3ea 100644
--- a/tests/storagepoolxml2argvtest.c
+++ b/tests/storagepoolxml2argvtest.c
@@ -25,9 +25,9 @@ testCompareXMLToArgvFiles(bool shouldFail,
VIR_AUTOFREE(char *) actualCmdline = NULL;
VIR_AUTOFREE(char *) src = NULL;
VIR_AUTOPTR(virStoragePoolDef) def = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
int defType;
int ret = -1;
- virCommandPtr cmd = NULL;
virStoragePoolObjPtr pool = NULL;
virStoragePoolDefPtr objDef;
@@ -88,7 +88,6 @@ testCompareXMLToArgvFiles(bool shouldFail,
ret = 0;
cleanup:
- virCommandFree(cmd);
VIR_FREE(actualCmdline);
virStoragePoolObjEndAPI(&pool);
if (shouldFail) {
diff --git a/tests/storagevolxml2argvtest.c b/tests/storagevolxml2argvtest.c
index 2acbf567ca..38bb2ae004 100644
--- a/tests/storagevolxml2argvtest.c
+++ b/tests/storagevolxml2argvtest.c
@@ -45,9 +45,7 @@ testCompareXMLToArgvFiles(bool shouldFail,
char *actualCmdline = NULL;
virStorageVolEncryptConvertStep convertStep = VIR_STORAGE_VOL_ENCRYPT_NONE;
int ret = -1;
-
- virCommandPtr cmd = NULL;
-
+ VIR_AUTOPTR(virCommand) cmd = NULL;
VIR_AUTOPTR(virStorageVolDef) vol = NULL;
VIR_AUTOPTR(virStorageVolDef) inputvol = NULL;
VIR_AUTOPTR(virStoragePoolDef) inputpool = NULL;
@@ -91,6 +89,7 @@ testCompareXMLToArgvFiles(bool shouldFail,
convertStep = VIR_STORAGE_VOL_ENCRYPT_CREATE;
do {
+ virCommandFree(cmd);
cmd = virStorageBackendCreateQemuImgCmdFromVol(obj, vol,
inputvol, flags,
create_tool,
@@ -140,7 +139,6 @@ testCompareXMLToArgvFiles(bool shouldFail,
ret = 0;
cleanup:
- virCommandFree(cmd);
VIR_FREE(actualCmdline);
virStoragePoolObjEndAPI(&obj);
return ret;
diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c
index c7c40b16f8..c448d8b733 100644
--- a/tests/virstoragetest.c
+++ b/tests/virstoragetest.c
@@ -128,7 +128,7 @@ static int
testPrepImages(void)
{
int ret = EXIT_FAILURE;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
char *buf = NULL;
bool compat = false;
@@ -246,7 +246,6 @@ testPrepImages(void)
ret = 0;
cleanup:
VIR_FREE(buf);
- virCommandFree(cmd);
if (ret)
testCleanupImages();
return ret;
@@ -713,7 +712,7 @@ static int
mymain(void)
{
int ret;
- virCommandPtr cmd = NULL;
+ VIR_AUTOPTR(virCommand) cmd = NULL;
struct testChainData data;
struct testLookupData data2;
struct testPathCanonicalizeData data3;
@@ -1604,7 +1603,6 @@ mymain(void)
/* Final cleanup */
virStorageSourceFree(chain);
testCleanupImages();
- virCommandFree(cmd);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
--
2.20.1
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