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qemu_blockjob: Avoid dereferencing NULL on OOM 

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Jiri Denemark 2017-02-09 10:49:23 +01:00
parent b97839b835
commit 2cc317b1f5
1 changed files with 2 additions and 1 deletions
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3
src/qemu/qemu_blockjob.c
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@ -123,7 +123,8 @@ qemuBlockJobEventProcess(virQEMUDriverPtr driver,
if ((persistDisk = virDomainDiskByName(vm->newDef,
disk->dst, false))) {
copy = virStorageSourceCopy(disk->mirror, false);
if (virStorageSourceInitChainElement(copy,
if (!copy ||
virStorageSourceInitChainElement(copy,
persistDisk->src,
true) < 0) {
VIR_WARN("Unable to update persistent definition "