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storage: avoid null deref and leak on failure

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Detected by clang.  NULL deref added in commit 343a27a (Mar 11),
but leak of voldef present since commit 2cd9b2d (Apr 09).

* src/storage/storage_driver.c (storageVolumeCreateXML): Don't
leak voldef or dereference null volobj.
This commit is contained in:
Eric Blake 2011-05-03 11:44:04 -06:00
parent 6eb3a1f4f7
commit 4644f0b253
1 changed files with 6 additions and 2 deletions
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8
src/storage/storage_driver.c
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@ -1,7 +1,7 @@
/*
* storage_driver.c: core driver for storage APIs
*
* Copyright (C) 2006-2010 Red Hat, Inc.
* Copyright (C) 2006-2011 Red Hat, Inc.
* Copyright (C) 2006-2008 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
@ -1319,8 +1319,12 @@ storageVolumeCreateXML(virStoragePoolPtr obj,
pool->volumes.objs[pool->volumes.count++] = voldef;
volobj = virGetStorageVol(obj->conn, pool->def->name, voldef->name,
voldef->key);
if (!volobj) {
pool->volumes.count--;
goto cleanup;
}
if (volobj && backend->buildVol) {
if (backend->buildVol) {
int buildret;
virStorageVolDefPtr buildvoldef = NULL;