virDomainSnapshotDropParent tried to dereference the parent even in case
the snapshot didn't have a parent. This should not be possible as the
snapshots use metaroot now, but bugs may induce this failure.
---
src/conf/snapshot_conf.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/conf/snapshot_conf.c b/src/conf/snapshot_conf.c
index 0c5b005..c3a8494 100644
--- a/src/conf/snapshot_conf.c
+++ b/src/conf/snapshot_conf.c
@@ -995,6 +995,9 @@ virDomainSnapshotDropParent(virDomainSnapshotObjPtr
snapshot)
virDomainSnapshotObjPtr prev = NULL;
virDomainSnapshotObjPtr curr = NULL;
+ if (!snapshot || !snapshot->parent)
+ return;
+
snapshot->parent->nchildren--;
curr = snapshot->parent->first_child;
while (curr != snapshot) {
--
1.8.1.1
--
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