diff options
| author | Hu hui <b29976@freescale.com> | 2010-10-20 09:49:47 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-01-09 19:53:46 +0800 |
| commit | a543312555ebb984edefe69252e8902b7f93c3d0 (patch) | |
| tree | 497d23d78687f45018d1b70d5b91171876158391 /drivers/block/brd.c | |
| parent | ac4b8f3cbb5628796a2a94fe73fba8360c077bd6 (diff) | |
ENGR00132493 RAMDISK: doing write barrier will return -EIO
when doing write barrier, the data of the bio is NULL, it's OK for ramdisk
doing nothing, So the result of the bio must be success.
Signed-off-by: Hu Hui <b29976@freescale.com>
Diffstat (limited to 'drivers/block/brd.c')
| -rw-r--r-- | drivers/block/brd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c index dba1c32e1ddf..1539aab03799 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -331,12 +331,14 @@ static int brd_make_request(struct request_queue *q, struct bio *bio) struct bio_vec *bvec; sector_t sector; int i; - int err = -EIO; + int err = 0; sector = bio->bi_sector; if (sector + (bio->bi_size >> SECTOR_SHIFT) > - get_capacity(bdev->bd_disk)) + get_capacity(bdev->bd_disk)) { + err = -EIO; goto out; + } if (unlikely(bio->bi_rw & REQ_DISCARD)) { err = 0; |