External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2025-01-11 07:17:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

storage_conf: Improve the memory deallocation of virStorageVolDefParseXML

Browse Source 
Changes:
  * Add a new goto label "error"
  * Free the strings at "cleanup"
  * Remove the unnecessary frees
This commit is contained in:
Osier Yang 2013-05-22 20:05:18 +08:00
parent 6afdfc8e13
commit 107130cc71
1 changed files with 14 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
src/conf/storage_conf.c
View File

@ -1252,7 +1252,7 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
if (ret->name == NULL) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("missing volume name element"));
goto cleanup;
goto error;
}
/* Auto-generated so deliberately ignore */
@ -1263,20 +1263,17 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
if (capacity == NULL) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("missing capacity element"));
goto cleanup;
goto error;
}
if (virStorageSize(unit, capacity, &ret->capacity) < 0)
goto cleanup;
VIR_FREE(capacity);
goto error;
VIR_FREE(unit);
allocation = virXPathString("string(./allocation)", ctxt);
if (allocation) {
unit = virXPathString("string(./allocation/@unit)", ctxt);
if (virStorageSize(unit, allocation, &ret->allocation) < 0)
goto cleanup;
VIR_FREE(allocation);
VIR_FREE(unit);
goto error;
} else {
ret->allocation = ret->capacity;
}
@ -1293,7 +1290,7 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
virReportError(VIR_ERR_XML_ERROR,
_("unknown volume format type %s"), format);
VIR_FREE(format);
goto cleanup;
goto error;
}
VIR_FREE(format);
}
@ -1301,14 +1298,14 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
if (virStorageDefParsePerms(ctxt, &ret->target.perms,
"./target/permissions",
DEFAULT_VOL_PERM_MODE) < 0)
goto cleanup;
goto error;
node = virXPathNode("./target/encryption", ctxt);
if (node != NULL) {
ret->target.encryption = virStorageEncryptionParseNode(ctxt->doc,
node);
if (ret->target.encryption == NULL)
goto cleanup;
goto error;
}
ret->backingStore.path = virXPathString("string(./backingStore/path)", ctxt);
@ -1323,7 +1320,7 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
virReportError(VIR_ERR_XML_ERROR,
_("unknown volume format type %s"), format);
VIR_FREE(format);
goto cleanup;
goto error;
}
VIR_FREE(format);
}
@ -1331,16 +1328,18 @@ virStorageVolDefParseXML(virStoragePoolDefPtr pool,
if (virStorageDefParsePerms(ctxt, &ret->backingStore.perms,
"./backingStore/permissions",
DEFAULT_VOL_PERM_MODE) < 0)
goto cleanup;
return ret;
goto error;
cleanup:
VIR_FREE(allocation);
VIR_FREE(capacity);
VIR_FREE(unit);
return ret;
error:
virStorageVolDefFree(ret);
return NULL;
ret = NULL;
goto cleanup;
}
virStorageVolDefPtr