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>
---
 src/qemu/qemu_domain.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index b8abae1afb..8fbc793e92 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -11862,7 +11862,8 @@ 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;
-- 
2.14.3

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