diff options
Diffstat (limited to 'block/io.c')
| -rw-r--r-- | block/io.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/io.c b/block/io.c index 86e5ea362d..d9c1594960 100644 --- a/block/io.c +++ b/block/io.c @@ -3532,6 +3532,7 @@ bdrv_co_preadv_snapshot(BdrvChild *child, int64_t offset, int64_t bytes, BlockDriver *drv = bs->drv; int ret; IO_CODE(); + assert_bdrv_graph_readable(); if (!drv) { return -ENOMEDIUM; @@ -3557,6 +3558,7 @@ bdrv_co_snapshot_block_status(BlockDriverState *bs, BlockDriver *drv = bs->drv; int ret; IO_CODE(); + assert_bdrv_graph_readable(); if (!drv) { return -ENOMEDIUM; |