diff options
| author | Hu hui <b29976@freescale.com> | 2010-10-20 09:49:47 +0800 |
|---|---|---|
| committer | Frank Li <Frank.Li@freescale.com> | 2011-04-01 11:33:44 +0800 |
| commit | 7ccf97a389ba11fe79519576b8c8579e9e041fef (patch) | |
| tree | e518fec871caf5654ba1860d30fd504f994b284b /drivers/block | |
| parent | 51265bfba020aa7f89e942c1f15e4f67cd788d14 (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')
| -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 b7f51e4594f8..8d4964cf7884 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -335,12 +335,14 @@ 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; |