[PULL 1/6] block: Avoid memleak on qcow2 image info failure

[Max Reitz]

From: Eric Blake <ebl...@redhat.com>

If we fail to get bitmap info, we must not leak the encryption info.

Fixes: b8968c875f403
Fixes: Coverity CID 1421894
Signed-off-by: Eric Blake <ebl...@redhat.com>
Message-Id: <20200320183620.1112123-1-ebl...@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkev...@virtuozzo.com>
Tested-by: Andrey Shinkevich <andrey.shinkev...@virtuozzo.com>
Signed-off-by: Max Reitz <mre...@redhat.com>
---
 block/qcow2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/block/qcow2.c b/block/qcow2.c
index d44b45633d..e08917ed84 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -4811,6 +4811,7 @@ static ImageInfoSpecific 
*qcow2_get_specific_info(BlockDriverState *bs,
         if (local_err) {
             error_propagate(errp, local_err);
             qapi_free_ImageInfoSpecific(spec_info);
+            qapi_free_QCryptoBlockInfo(encrypt_info);
             return NULL;
         }
         *spec_info->u.qcow2.data = (ImageInfoSpecificQCow2){
-- 
2.25.1