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qemu: domain: Tolerate NULL 'cfg' in qemuDomainPrepareDiskSourceChain

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The function will be reused in the test code where we don't care much
that the gluster debug level can't be populated from the qemu config.

Set the level only when 'cfg' is passed.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
Peter Krempa 2018-04-19 15:54:18 +02:00
parent 1e81f198bf
commit 30a7721702
1 changed files with 2 additions and 1 deletions
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3
src/qemu/qemu_domain.c
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@ -11871,7 +11871,8 @@ qemuDomainPrepareDiskSourceChain(virDomainDiskDefPtr disk,
src->detect_zeroes = disk->detect_zeroes;
for (n = src; virStorageSourceIsBacking(n); n = n->backingStore) {
if (n->type == VIR_STORAGE_TYPE_NETWORK &&
if (cfg &&
n->type == VIR_STORAGE_TYPE_NETWORK &&
n->protocol == VIR_STORAGE_NET_PROTOCOL_GLUSTER &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_GLUSTER_DEBUG_LEVEL)) {
n->debug = true;