diff options
Diffstat (limited to 'block')
-rw-r--r-- | block/block-backend.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 2ee3922..36e3a67 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1615,16 +1615,20 @@ int64_t coroutine_fn blk_co_getlength(BlockBackend *blk) return bdrv_co_getlength(blk_bs(blk)); } +/* return 0 as number of sectors if no device present or error */ void coroutine_fn blk_co_get_geometry(BlockBackend *blk, uint64_t *nb_sectors_ptr) { + BlockDriverState *bs = blk_bs(blk); + IO_CODE(); GRAPH_RDLOCK_GUARD(); - if (!blk_bs(blk)) { + if (!bs) { *nb_sectors_ptr = 0; } else { - bdrv_co_get_geometry(blk_bs(blk), nb_sectors_ptr); + int64_t nb_sectors = bdrv_co_nb_sectors(bs); + *nb_sectors_ptr = nb_sectors < 0 ? 0 : nb_sectors; } } |