diff options
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block.c b/block.c index c4c67d09d4..0dd604d0f6 100644 --- a/block.c +++ b/block.c @@ -1042,6 +1042,7 @@ int coroutine_fn bdrv_co_refresh_total_sectors(BlockDriverState *bs, { BlockDriver *drv = bs->drv; IO_CODE(); + assert_bdrv_graph_readable(); if (!drv) { return -ENOMEDIUM; @@ -5843,6 +5844,7 @@ int64_t coroutine_fn bdrv_co_nb_sectors(BlockDriverState *bs) { BlockDriver *drv = bs->drv; IO_CODE(); + assert_bdrv_graph_readable(); if (!drv) return -ENOMEDIUM; @@ -5864,6 +5866,7 @@ int64_t coroutine_fn bdrv_co_getlength(BlockDriverState *bs) { int64_t ret; IO_CODE(); + assert_bdrv_graph_readable(); ret = bdrv_co_nb_sectors(bs); if (ret < 0) { |