diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/brd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c index c9f9c30..a5880f4 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -337,6 +337,9 @@ static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio) goto io_error; if (unlikely(bio->bi_rw & REQ_DISCARD)) { + if (sector & ((PAGE_SIZE >> SECTOR_SHIFT) - 1) || + bio->bi_iter.bi_size & PAGE_MASK) + goto io_error; discard_from_brd(brd, sector, bio->bi_iter.bi_size); goto out; } |