[Qemu-devel] [PATCH 1/2] qcow2: Fix memory leak in copy_sectors()

[Max Reitz]

If bs->drv is NULL, iov.iov_base should not be leaked.

Signed-off-by: Max Reitz <mre...@redhat.com>
---
 block/qcow2-cluster.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 33e6826..d391c5a 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -387,7 +387,8 @@ static int coroutine_fn copy_sectors(BlockDriverState *bs,
     BLKDBG_EVENT(bs->file, BLKDBG_COW_READ);
 
     if (!bs->drv) {
-        return -ENOMEDIUM;
+        ret = -ENOMEDIUM;
+        goto out;
     }
 
     /* Call .bdrv_co_readv() directly instead of using the public block-layer
-- 
1.9.3