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path: root/drivers/block/brd.c
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Diffstat (limited to 'drivers/block/brd.c')
-rw-r--r--drivers/block/brd.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index b9794aeeb..a5880f4ab 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -323,7 +323,7 @@ out:
return err;
}
-static void brd_make_request(struct request_queue *q, struct bio *bio)
+static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio)
{
struct block_device *bdev = bio->bi_bdev;
struct brd_device *brd = bdev->bd_disk->private_data;
@@ -337,6 +337,9 @@ static void 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;
}
@@ -358,9 +361,10 @@ static void brd_make_request(struct request_queue *q, struct bio *bio)
out:
bio_endio(bio);
- return;
+ return BLK_QC_T_NONE;
io_error:
bio_io_error(bio);
+ return BLK_QC_T_NONE;
}
static int brd_rw_page(struct block_device *bdev, sector_t sector,