[Qemu-devel] [PATCH 1/2] qcow2: free allocated cluster on fail in qcow2_write_snapshots()

[Wenchao Xia]

Signed-off-by: Wenchao Xia <xiaw...@linux.vnet.ibm.com>
---
 block/qcow2-snapshot.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c
index 992a5c8..a6065a9 100644
--- a/block/qcow2-snapshot.c
+++ b/block/qcow2-snapshot.c
@@ -268,6 +268,8 @@ static int qcow2_write_snapshots(BlockDriverState *bs)
     return 0;
 
 fail:
+    /* free the new snapshot table */
+    qcow2_free_clusters(bs, snapshots_offset, snapshots_size);
     return ret;
 }
 
-- 
1.7.1