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Code Releases Activity

storage: make previous leak less likely to regress

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Splitting into two functions allows the user to call the right
function, rather than having to remember that a *Free function is
an exception to the rule.

* src/conf/storage_conf.h (virStoragePoolSourceClear): New function.
* src/libvirt_private.syms (storage_conf.h): Export it.
* src/conf/storage_conf.c (virStoragePoolSourceFree): Split...
(virStoragePoolSourceClear): ...into new function.
(virStoragePoolDefFree, virStoragePoolDefParseSourceString):
Update callers.
* src/test/test_driver.c (testStorageFindPoolSources): Likewise.
* src/storage/storage_backend_fs.c
(virStorageBackendFileSystemNetFindPoolSourcesFunc)
(virStorageBackendFileSystemNetFindPoolSources): Likewise.
* src/storage/storage_backend_iscsi.c
(virStorageBackendISCSIFindPoolSources): Likewise.
* src/storage/storage_backend_logical.c
(virStorageBackendLogicalFindPoolSources): Likewise.
This commit is contained in:
Eric Blake 2011-10-21 16:44:52 -06:00
parent 79052a76b5
commit b1836a254e
7 changed files with 18 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/conf/storage_conf.c
View File

@ -269,7 +269,8 @@ virStorageVolDefFree(virStorageVolDefPtr def) {
}
void
virStoragePoolSourceFree(virStoragePoolSourcePtr source) {
virStoragePoolSourceClear(virStoragePoolSourcePtr source)
{
int i;
if (!source)
@ -294,6 +295,13 @@ virStoragePoolSourceFree(virStoragePoolSourcePtr source) {
}
}
void
virStoragePoolSourceFree(virStoragePoolSourcePtr source)
{
virStoragePoolSourceClear(source);
VIR_FREE(source);
}
void
virStoragePoolDefFree(virStoragePoolDefPtr def) {
if (!def)
@ -301,7 +309,7 @@ virStoragePoolDefFree(virStoragePoolDefPtr def) {
VIR_FREE(def->name);
virStoragePoolSourceFree(&def->source);
virStoragePoolSourceClear(&def->source);
VIR_FREE(def->target.path);
VIR_FREE(def->target.perms.label);
@ -529,7 +537,6 @@ virStoragePoolDefParseSourceString(const char *srcSpec,
def = NULL;
cleanup:
virStoragePoolSourceFree(def);
VIR_FREE(def);
xmlFreeDoc(doc);
xmlXPathFreeContext(xpath_ctxt);

3
src/conf/storage_conf.h
View File

@ -1,7 +1,7 @@
/*
* storage_conf.h: config handling for storage driver
*
* Copyright (C) 2006-2008, 2010 Red Hat, Inc.
* Copyright (C) 2006-2008, 2010-2011 Red Hat, Inc.
* Copyright (C) 2006-2008 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
@ -372,6 +372,7 @@ int virStoragePoolObjSaveDef(virStorageDriverStatePtr driver,
int virStoragePoolObjDeleteDef(virStoragePoolObjPtr pool);
void virStorageVolDefFree(virStorageVolDefPtr def);
void virStoragePoolSourceClear(virStoragePoolSourcePtr source);
void virStoragePoolSourceFree(virStoragePoolSourcePtr source);
void virStoragePoolDefFree(virStoragePoolDefPtr def);
void virStoragePoolObjFree(virStoragePoolObjPtr pool);

5
src/libvirt_private.syms
View File

@ -992,14 +992,15 @@ virStoragePoolObjClearVols;
virStoragePoolObjDeleteDef;
virStoragePoolObjFindByName;
virStoragePoolObjFindByUUID;
virStoragePoolSourceFindDuplicateDevices;
virStoragePoolObjIsDuplicate;
virStoragePoolSourceFindDuplicate;
virStoragePoolObjListFree;
virStoragePoolObjLock;
virStoragePoolObjRemove;
virStoragePoolObjSaveDef;
virStoragePoolObjUnlock;
virStoragePoolSourceClear;
virStoragePoolSourceFindDuplicate;
virStoragePoolSourceFindDuplicateDevices;
virStoragePoolSourceFree;
virStoragePoolSourceListFormat;
virStoragePoolSourceListNewSource;

7
src/storage/storage_backend_fs.c
View File

@ -217,7 +217,6 @@ virStorageBackendFileSystemNetFindPoolSourcesFunc(virStoragePoolObjPtr pool ATTR
ret = 0;
cleanup:
virStoragePoolSourceFree(src);
VIR_FREE(src);
return ret;
}
@ -277,12 +276,10 @@ virStorageBackendFileSystemNetFindPoolSources(virConnectPtr conn ATTRIBUTE_UNUSE
cleanup:
for (i = 0; i < state.list.nsources; i++)
virStoragePoolSourceFree(&state.list.sources[i]);
virStoragePoolSourceClear(&state.list.sources[i]);
VIR_FREE(state.list.sources);
virStoragePoolSourceFree(source);
VIR_FREE(source);
VIR_FREE(state.list.sources);
return retval;
}

1
src/storage/storage_backend_iscsi.c
View File

@ -611,7 +611,6 @@ cleanup:
VIR_FREE(targets);
VIR_FREE(portal);
virStoragePoolSourceFree(source);
VIR_FREE(source);
return ret;
}

3
src/storage/storage_backend_logical.c
View File

@ -430,8 +430,7 @@ virStorageBackendLogicalFindPoolSources(virConnectPtr conn ATTRIBUTE_UNUSED,
cleanup:
for (i = 0; i < sourceList.nsources; i++)
virStoragePoolSourceFree(&sourceList.sources[i]);
virStoragePoolSourceClear(&sourceList.sources[i]);
VIR_FREE(sourceList.sources);
return retval;

1
src/test/test_driver.c
View File

@ -4088,7 +4088,6 @@ testStorageFindPoolSources(virConnectPtr conn ATTRIBUTE_UNUSED,
cleanup:
virStoragePoolSourceFree(source);
VIR_FREE(source);
return ret;
}