From: Max Reitz <mre...@redhat.com>
If an error occurs during qcow2_write_snapshots, the newly allocated
snapshot table clusters are leaked and should thus be freed.
Signed-off-by: Max Reitz <mre...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
block/qcow2-snapshot.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c
index 3337974..f6f3e64 100644
--- a/block/qcow2-snapshot.c
+++ b/block/qcow2-snapshot.c
@@ -279,6 +279,10 @@ static int qcow2_write_snapshots(BlockDriverState *bs)
return 0;
fail:
+ if (snapshots_offset > 0) {
+ qcow2_free_clusters(bs, snapshots_offset, snapshots_size,
+ QCOW2_DISCARD_ALWAYS);
+ }
return ret;
}
--
1.8.1.4
