[libvirt] [PATCH v2 07/32] conf: Introduce VIR_DEFINE_AUTOPTR_FUNC for virStorageVolDef
John Ferlan
jferlan at redhat.com
Fri Feb 8 18:37:01 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>
Reviewed-by: Erik Skultety <eskultet at redhat.com>
---
src/conf/storage_conf.c | 3 +--
src/conf/storage_conf.h | 1 +
src/esx/esx_storage_backend_vmfs.c | 6 ++----
src/phyp/phyp_driver.c | 3 +--
src/storage/storage_backend_gluster.c | 3 +--
src/storage/storage_backend_iscsi_direct.c | 19 +++++++----------
src/storage/storage_backend_mpath.c | 24 ++++++++--------------
src/storage/storage_backend_rbd.c | 9 +++-----
src/storage/storage_backend_sheepdog.c | 15 ++++++--------
src/storage/storage_driver.c | 6 ++----
src/storage/storage_util.c | 6 ++----
src/test/test_driver.c | 10 ++++-----
src/vbox/vbox_storage.c | 3 +--
tests/storagebackendsheepdogtest.c | 3 +--
tests/storagevolxml2argvtest.c | 5 ++---
tests/storagevolxml2xmltest.c | 3 +--
16 files changed, 44 insertions(+), 75 deletions(-)
diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c
index 0ebdbafa0c..e6accb14c6 100644
--- a/src/conf/storage_conf.c
+++ b/src/conf/storage_conf.c
@@ -1168,7 +1168,6 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
xmlXPathContextPtr ctxt,
unsigned int flags)
{
- virStorageVolDefPtr def;
virStorageVolDefPtr ret = NULL;
virStorageVolOptionsPtr options;
char *type = NULL;
@@ -1180,6 +1179,7 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
xmlNodePtr *nodes = NULL;
size_t i;
int n;
+ VIR_AUTOPTR(virStorageVolDef) def = NULL;
virCheckFlags(VIR_VOL_XML_PARSE_NO_CAPACITY |
VIR_VOL_XML_PARSE_OPT_CAPACITY, NULL);
@@ -1331,7 +1331,6 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
VIR_STEAL_PTR(ret, def);
cleanup:
- virStorageVolDefFree(def);
VIR_FREE(nodes);
VIR_FREE(allocation);
VIR_FREE(capacity);
diff --git a/src/conf/storage_conf.h b/src/conf/storage_conf.h
index 3fa97bba76..b8e73864c4 100644
--- a/src/conf/storage_conf.h
+++ b/src/conf/storage_conf.h
@@ -461,5 +461,6 @@ VIR_ENUM_DECL(virStoragePartedFs);
VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_POOL_TYPE)
VIR_DEFINE_AUTOPTR_FUNC(virStoragePoolSource, virStoragePoolSourceFree);
+VIR_DEFINE_AUTOPTR_FUNC(virStorageVolDef, virStorageVolDefFree);
#endif /* LIBVIRT_STORAGE_CONF_H */
diff --git a/src/esx/esx_storage_backend_vmfs.c b/src/esx/esx_storage_backend_vmfs.c
index 8458d4e95c..6d6bd1a6ce 100644
--- a/src/esx/esx_storage_backend_vmfs.c
+++ b/src/esx/esx_storage_backend_vmfs.c
@@ -836,7 +836,6 @@ esxStorageVolCreateXML(virStoragePoolPtr pool,
virStorageVolPtr volume = NULL;
esxPrivate *priv = pool->conn->privateData;
virStoragePoolDef poolDef;
- virStorageVolDefPtr def = NULL;
char *tmp;
char *unescapedDatastorePath = NULL;
char *unescapedDirectoryName = NULL;
@@ -852,6 +851,7 @@ esxStorageVolCreateXML(virStoragePoolPtr pool,
char *taskInfoErrorMessage = NULL;
char *uuid_string = NULL;
char *key = NULL;
+ VIR_AUTOPTR(virStorageVolDef) def = NULL;
virCheckFlags(0, NULL);
@@ -1024,7 +1024,6 @@ esxStorageVolCreateXML(virStoragePoolPtr pool,
virtualDiskSpec->adapterType = NULL;
}
- virStorageVolDefFree(def);
VIR_FREE(unescapedDatastorePath);
VIR_FREE(unescapedDirectoryName);
VIR_FREE(unescapedDirectoryAndFileName);
@@ -1054,7 +1053,6 @@ esxStorageVolCreateXMLFrom(virStoragePoolPtr pool,
esxPrivate *priv = pool->conn->privateData;
virStoragePoolDef poolDef;
char *sourceDatastorePath = NULL;
- virStorageVolDefPtr def = NULL;
char *tmp;
char *unescapedDatastorePath = NULL;
char *unescapedDirectoryName = NULL;
@@ -1069,6 +1067,7 @@ esxStorageVolCreateXMLFrom(virStoragePoolPtr pool,
char *taskInfoErrorMessage = NULL;
char *uuid_string = NULL;
char *key = NULL;
+ VIR_AUTOPTR(virStorageVolDef) def = NULL;
virCheckFlags(0, NULL);
@@ -1207,7 +1206,6 @@ esxStorageVolCreateXMLFrom(virStoragePoolPtr pool,
cleanup:
VIR_FREE(sourceDatastorePath);
- virStorageVolDefFree(def);
VIR_FREE(unescapedDatastorePath);
VIR_FREE(unescapedDirectoryName);
VIR_FREE(unescapedDirectoryAndFileName);
diff --git a/src/phyp/phyp_driver.c b/src/phyp/phyp_driver.c
index 4ffa08ff43..cac5642afd 100644
--- a/src/phyp/phyp_driver.c
+++ b/src/phyp/phyp_driver.c
@@ -1952,11 +1952,11 @@ phypStorageVolCreateXML(virStoragePoolPtr pool,
{
virCheckFlags(0, NULL);
- virStorageVolDefPtr voldef = NULL;
virStoragePoolDefPtr spdef = NULL;
virStorageVolPtr vol = NULL;
virStorageVolPtr dup_vol = NULL;
char *key = NULL;
+ VIR_AUTOPTR(virStorageVolDef) voldef = NULL;
if (VIR_ALLOC(spdef) < 0)
return NULL;
@@ -2036,7 +2036,6 @@ phypStorageVolCreateXML(virStoragePoolPtr pool,
err:
VIR_FREE(key);
- virStorageVolDefFree(voldef);
virStoragePoolDefFree(spdef);
virObjectUnref(vol);
return NULL;
diff --git a/src/storage/storage_backend_gluster.c b/src/storage/storage_backend_gluster.c
index 6759d7f1e5..5428bb92ba 100644
--- a/src/storage/storage_backend_gluster.c
+++ b/src/storage/storage_backend_gluster.c
@@ -242,12 +242,12 @@ virStorageBackendGlusterRefreshVol(virStorageBackendGlusterStatePtr state,
virStorageVolDefPtr *volptr)
{
int ret = -1;
- virStorageVolDefPtr vol = NULL;
glfs_fd_t *fd = NULL;
virStorageSourcePtr meta = NULL;
char *header = NULL;
ssize_t len;
int backingFormat;
+ VIR_AUTOPTR(virStorageVolDef) vol = NULL;
*volptr = NULL;
@@ -331,7 +331,6 @@ virStorageBackendGlusterRefreshVol(virStorageBackendGlusterStatePtr state,
ret = 0;
cleanup:
virStorageSourceFree(meta);
- virStorageVolDefFree(vol);
if (fd)
glfs_close(fd);
VIR_FREE(header);
diff --git a/src/storage/storage_backend_iscsi_direct.c b/src/storage/storage_backend_iscsi_direct.c
index 8d12c1a274..42060dd758 100644
--- a/src/storage/storage_backend_iscsi_direct.c
+++ b/src/storage/storage_backend_iscsi_direct.c
@@ -305,22 +305,21 @@ virISCSIDirectRefreshVol(virStoragePoolObjPtr pool,
char *portal)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virStorageVolDefPtr vol = NULL;
uint32_t block_size;
uint32_t nb_block;
- int ret = -1;
+ VIR_AUTOPTR(virStorageVolDef) vol = NULL;
virStoragePoolObjClearVols(pool);
if (virISCSIDirectTestUnitReady(iscsi, lun) < 0)
- goto cleanup;
+ return -1;
if (VIR_ALLOC(vol) < 0)
- goto cleanup;
+ return -1;
vol->type = VIR_STORAGE_VOL_NETWORK;
if (virISCSIDirectGetVolumeCapacity(iscsi, lun, &block_size, &nb_block) < 0)
- goto cleanup;
+ return -1;
vol->target.capacity = block_size * nb_block;
vol->target.allocation = block_size * nb_block;
@@ -328,17 +327,13 @@ virISCSIDirectRefreshVol(virStoragePoolObjPtr pool,
def->allocation += vol->target.allocation;
if (virISCSIDirectSetVolumeAttributes(pool, vol, lun, portal) < 0)
- goto cleanup;
+ return -1;
if (virStoragePoolObjAddVol(pool, vol) < 0)
- goto cleanup;
-
+ return -1;
vol = NULL;
- ret = 0;
- cleanup:
- virStorageVolDefFree(vol);
- return ret;
+ return 0;
}
static int
diff --git a/src/storage/storage_backend_mpath.c b/src/storage/storage_backend_mpath.c
index b3a49ee1b2..423f945fbc 100644
--- a/src/storage/storage_backend_mpath.c
+++ b/src/storage/storage_backend_mpath.c
@@ -46,42 +46,36 @@ virStorageBackendMpathNewVol(virStoragePoolObjPtr pool,
const char *dev)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virStorageVolDefPtr vol;
- int ret = -1;
+ VIR_AUTOPTR(virStorageVolDef) vol = NULL;
if (VIR_ALLOC(vol) < 0)
- goto cleanup;
+ return -1;
vol->type = VIR_STORAGE_VOL_BLOCK;
if (virAsprintf(&(vol->name), "dm-%u", devnum) < 0)
- goto cleanup;
+ return -1;
if (virAsprintf(&vol->target.path, "/dev/%s", dev) < 0)
- goto cleanup;
+ return -1;
if (virStorageBackendUpdateVolInfo(vol, true,
VIR_STORAGE_VOL_OPEN_DEFAULT, 0) < 0) {
- goto cleanup;
+ return -1;
}
/* XXX should use logical unit's UUID instead */
if (VIR_STRDUP(vol->key, vol->target.path) < 0)
- goto cleanup;
+ return -1;
if (virStoragePoolObjAddVol(pool, vol) < 0)
- goto cleanup;
+ return -1;
def->capacity += vol->target.capacity;
def->allocation += vol->target.allocation;
- ret = 0;
-
- cleanup:
+ vol = NULL;
- if (ret != 0)
- virStorageVolDefFree(vol);
-
- return ret;
+ return 0;
}
diff --git a/src/storage/storage_backend_rbd.c b/src/storage/storage_backend_rbd.c
index cfbce1ad19..ece04f0f2d 100644
--- a/src/storage/storage_backend_rbd.c
+++ b/src/storage/storage_backend_rbd.c
@@ -618,7 +618,7 @@ virStorageBackendRBDRefreshPool(virStoragePoolObjPtr pool)
}
for (name = names; name < names + max_size;) {
- virStorageVolDefPtr vol;
+ VIR_AUTOPTR(virStorageVolDef) vol = NULL;
if (STREQ(name, ""))
break;
@@ -626,10 +626,8 @@ virStorageBackendRBDRefreshPool(virStoragePoolObjPtr pool)
if (VIR_ALLOC(vol) < 0)
goto cleanup;
- if (VIR_STRDUP(vol->name, name) < 0) {
- VIR_FREE(vol);
+ if (VIR_STRDUP(vol->name, name) < 0)
goto cleanup;
- }
name += strlen(name) + 1;
@@ -648,15 +646,14 @@ virStorageBackendRBDRefreshPool(virStoragePoolObjPtr pool)
if (r == -ENOENT || r == -ETIMEDOUT)
continue;
- virStorageVolDefFree(vol);
goto cleanup;
}
if (virStoragePoolObjAddVol(pool, vol) < 0) {
- virStorageVolDefFree(vol);
virStoragePoolObjClearVols(pool);
goto cleanup;
}
+ vol = NULL;
}
VIR_DEBUG("Found %zu images in RBD pool %s",
diff --git a/src/storage/storage_backend_sheepdog.c b/src/storage/storage_backend_sheepdog.c
index b6f424bea1..7cba6e02aa 100644
--- a/src/storage/storage_backend_sheepdog.c
+++ b/src/storage/storage_backend_sheepdog.c
@@ -110,30 +110,27 @@ virStorageBackendSheepdogAddHostArg(virCommandPtr cmd,
static int
virStorageBackendSheepdogAddVolume(virStoragePoolObjPtr pool, const char *diskInfo)
{
- virStorageVolDefPtr vol = NULL;
+ VIR_AUTOPTR(virStorageVolDef) vol = NULL;
if (diskInfo == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Missing disk info when adding volume"));
- goto error;
+ return -1;
}
if (VIR_ALLOC(vol) < 0 || VIR_STRDUP(vol->name, diskInfo) < 0)
- goto error;
+ return -1;
vol->type = VIR_STORAGE_VOL_NETWORK;
if (virStorageBackendSheepdogRefreshVol(pool, vol) < 0)
- goto error;
+ return -1;
if (virStoragePoolObjAddVol(pool, vol) < 0)
- goto error;
+ return -1;
+ vol = NULL;
return 0;
-
- error:
- virStorageVolDefFree(vol);
- return -1;
}
static int
diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
index 878a40cac5..c50a8ef5d4 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -1820,8 +1820,8 @@ storageVolCreateXML(virStoragePoolPtr pool,
virStoragePoolObjPtr obj;
virStoragePoolDefPtr def;
virStorageBackendPtr backend;
- virStorageVolDefPtr voldef = NULL;
virStorageVolPtr vol = NULL, newvol = NULL;
+ VIR_AUTOPTR(virStorageVolDef) voldef = NULL;
virCheckFlags(VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA, NULL);
@@ -1941,7 +1941,6 @@ storageVolCreateXML(virStoragePoolPtr pool,
cleanup:
virObjectUnref(newvol);
- virStorageVolDefFree(voldef);
virStoragePoolObjEndAPI(&obj);
return vol;
}
@@ -1957,11 +1956,11 @@ storageVolCreateXMLFrom(virStoragePoolPtr pool,
virStoragePoolObjPtr objsrc = NULL;
virStorageBackendPtr backend;
virStorageVolDefPtr voldefsrc = NULL;
- virStorageVolDefPtr voldef = NULL;
virStorageVolDefPtr shadowvol = NULL;
virStorageVolPtr newvol = NULL;
virStorageVolPtr vol = NULL;
int buildret;
+ VIR_AUTOPTR(virStorageVolDef) voldef = NULL;
virCheckFlags(VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA |
VIR_STORAGE_VOL_CREATE_REFLINK,
@@ -2134,7 +2133,6 @@ storageVolCreateXMLFrom(virStoragePoolPtr pool,
cleanup:
virObjectUnref(newvol);
- virStorageVolDefFree(voldef);
VIR_FREE(shadowvol);
virStoragePoolObjEndAPI(&obj);
virStoragePoolObjEndAPI(&objsrc);
diff --git a/src/storage/storage_util.c b/src/storage/storage_util.c
index 95e05d950b..1770d21f33 100644
--- a/src/storage/storage_util.c
+++ b/src/storage/storage_util.c
@@ -3672,10 +3672,10 @@ virStorageBackendRefreshLocal(virStoragePoolObjPtr pool)
struct dirent *ent;
struct statvfs sb;
struct stat statbuf;
- virStorageVolDefPtr vol = NULL;
virStorageSourcePtr target = NULL;
int direrr;
int fd = -1, ret = -1;
+ VIR_AUTOPTR(virStorageVolDef) vol = NULL;
if (virDirOpen(&dir, def->target.path) < 0)
goto cleanup;
@@ -3767,7 +3767,6 @@ virStorageBackendRefreshLocal(virStoragePoolObjPtr pool)
cleanup:
VIR_DIR_CLOSE(dir);
VIR_FORCE_CLOSE(fd);
- virStorageVolDefFree(vol);
virStorageSourceFree(target);
if (ret < 0)
virStoragePoolObjClearVols(pool);
@@ -3816,9 +3815,9 @@ virStorageBackendSCSINewLun(virStoragePoolObjPtr pool,
const char *dev)
{
virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
- virStorageVolDefPtr vol = NULL;
char *devpath = NULL;
int retval = -1;
+ VIR_AUTOPTR(virStorageVolDef) vol = NULL;
/* Check if the pool is using a stable target path. The call to
* virStorageBackendStablePath will fail if the pool target path
@@ -3898,7 +3897,6 @@ virStorageBackendSCSINewLun(virStoragePoolObjPtr pool,
retval = 0;
cleanup:
- virStorageVolDefFree(vol);
VIR_FREE(devpath);
return retval;
}
diff --git a/src/test/test_driver.c b/src/test/test_driver.c
index de221b4190..f07a075755 100644
--- a/src/test/test_driver.c
+++ b/src/test/test_driver.c
@@ -1025,7 +1025,7 @@ testOpenVolumesForPool(const char *file,
size_t i;
int num, ret = -1;
xmlNodePtr *nodes = NULL;
- virStorageVolDefPtr volDef = NULL;
+ VIR_AUTOPTR(virStorageVolDef) volDef = NULL;
/* Find storage volumes */
if (virAsprintf(&vol_xpath, "/node/pool[%d]/volume", objidx) < 0)
@@ -1064,7 +1064,6 @@ testOpenVolumesForPool(const char *file,
ret = 0;
error:
- virStorageVolDefFree(volDef);
VIR_FREE(nodes);
return ret;
}
@@ -5053,8 +5052,8 @@ testStorageVolCreateXML(virStoragePoolPtr pool,
testDriverPtr privconn = pool->conn->privateData;
virStoragePoolObjPtr obj;
virStoragePoolDefPtr def;
- virStorageVolDefPtr privvol = NULL;
virStorageVolPtr ret = NULL;
+ VIR_AUTOPTR(virStorageVolDef) privvol = NULL;
virCheckFlags(0, NULL);
@@ -5098,7 +5097,6 @@ testStorageVolCreateXML(virStoragePoolPtr pool,
privvol = NULL;
cleanup:
- virStorageVolDefFree(privvol);
virStoragePoolObjEndAPI(&obj);
return ret;
}
@@ -5113,8 +5111,9 @@ testStorageVolCreateXMLFrom(virStoragePoolPtr pool,
testDriverPtr privconn = pool->conn->privateData;
virStoragePoolObjPtr obj;
virStoragePoolDefPtr def;
- virStorageVolDefPtr privvol = NULL, origvol = NULL;
+ virStorageVolDefPtr origvol = NULL;
virStorageVolPtr ret = NULL;
+ VIR_AUTOPTR(virStorageVolDef) privvol = NULL;
virCheckFlags(0, NULL);
@@ -5166,7 +5165,6 @@ testStorageVolCreateXMLFrom(virStoragePoolPtr pool,
privvol = NULL;
cleanup:
- virStorageVolDefFree(privvol);
virStoragePoolObjEndAPI(&obj);
return ret;
}
diff --git a/src/vbox/vbox_storage.c b/src/vbox/vbox_storage.c
index 7047e54084..ae16094dbe 100644
--- a/src/vbox/vbox_storage.c
+++ b/src/vbox/vbox_storage.c
@@ -401,7 +401,6 @@ vboxStorageVolCreateXML(virStoragePoolPtr pool,
const char *xml, unsigned int flags)
{
vboxDriverPtr data = pool->conn->privateData;
- virStorageVolDefPtr def = NULL;
PRUnichar *hddFormatUtf16 = NULL;
PRUnichar *hddNameUtf16 = NULL;
virStoragePoolDef poolDef;
@@ -415,6 +414,7 @@ vboxStorageVolCreateXML(virStoragePoolPtr pool,
PRUint32 variant = HardDiskVariant_Standard;
resultCodeUnion resultCode;
virStorageVolPtr ret = NULL;
+ VIR_AUTOPTR(virStorageVolDef) def = NULL;
if (!data->vboxObj)
return ret;
@@ -501,7 +501,6 @@ vboxStorageVolCreateXML(virStoragePoolPtr pool,
VBOX_RELEASE(progress);
VBOX_UTF16_FREE(hddFormatUtf16);
VBOX_UTF16_FREE(hddNameUtf16);
- virStorageVolDefFree(def);
return ret;
}
diff --git a/tests/storagebackendsheepdogtest.c b/tests/storagebackendsheepdogtest.c
index 616af22d73..540f89c3ab 100644
--- a/tests/storagebackendsheepdogtest.c
+++ b/tests/storagebackendsheepdogtest.c
@@ -94,7 +94,7 @@ test_vdi_list_parser(const void *opaque)
int ret = -1;
char *output = NULL;
virStoragePoolDefPtr pool = NULL;
- virStorageVolDefPtr vol = NULL;
+ VIR_AUTOPTR(virStorageVolDef) vol = NULL;
if (!(pool = virStoragePoolDefParseFile(data->poolxml)))
goto cleanup;
@@ -121,7 +121,6 @@ test_vdi_list_parser(const void *opaque)
cleanup:
VIR_FREE(output);
virStoragePoolDefFree(pool);
- virStorageVolDefFree(vol);
return ret;
}
diff --git a/tests/storagevolxml2argvtest.c b/tests/storagevolxml2argvtest.c
index bc2da37410..4c98decc4d 100644
--- a/tests/storagevolxml2argvtest.c
+++ b/tests/storagevolxml2argvtest.c
@@ -48,10 +48,11 @@ testCompareXMLToArgvFiles(bool shouldFail,
virCommandPtr cmd = NULL;
- virStorageVolDefPtr vol = NULL, inputvol = NULL;
virStoragePoolDefPtr def = NULL;
virStoragePoolDefPtr inputpool = NULL;
virStoragePoolObjPtr obj = NULL;
+ VIR_AUTOPTR(virStorageVolDef) vol = NULL;
+ VIR_AUTOPTR(virStorageVolDef) inputvol = NULL;
if (!(def = virStoragePoolDefParseFile(poolxml)))
goto cleanup;
@@ -139,8 +140,6 @@ testCompareXMLToArgvFiles(bool shouldFail,
cleanup:
virStoragePoolDefFree(inputpool);
- virStorageVolDefFree(vol);
- virStorageVolDefFree(inputvol);
virCommandFree(cmd);
VIR_FREE(actualCmdline);
virStoragePoolObjEndAPI(&obj);
diff --git a/tests/storagevolxml2xmltest.c b/tests/storagevolxml2xmltest.c
index 040bbc7585..95e205a0ab 100644
--- a/tests/storagevolxml2xmltest.c
+++ b/tests/storagevolxml2xmltest.c
@@ -20,7 +20,7 @@ testCompareXMLToXMLFiles(const char *poolxml, const char *inxml,
char *actual = NULL;
int ret = -1;
virStoragePoolDefPtr pool = NULL;
- virStorageVolDefPtr dev = NULL;
+ VIR_AUTOPTR(virStorageVolDef) dev = NULL;
if (!(pool = virStoragePoolDefParseFile(poolxml)))
goto fail;
@@ -39,7 +39,6 @@ testCompareXMLToXMLFiles(const char *poolxml, const char *inxml,
fail:
VIR_FREE(actual);
virStoragePoolDefFree(pool);
- virStorageVolDefFree(dev);
return ret;
}
--
2.20.1
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