qcow2: don't leak buffer for unexpected qcow_version in header

Signed-off-by: Jim Meyering <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>

diff --git a/block/qcow2.c b/block/qcow2.c
index 655799c6a0fa89dc03274d3b66d60175917963fd..c2e49cded3611319848c92041ac76d70843cfb63 100644 (file)
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -919,7 +919,8 @@ int qcow2_update_header(BlockDriverState *bs)
         ret = sizeof(*header);
         break;
     default:
-        return -EINVAL;
+        ret = -EINVAL;
+        goto fail;
     }
 
     buf += ret;