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| author |   John Garry <john.g.garry@oracle.com> | 2024-11-11 11:21:48 +0000 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2024-11-11 08:35:46 -0700 |
| commit | 74538fdac3e85aae55eb4ed786478ed2384cb85d (patch) | |
| tree | 479b381c6e40c5f8399fc0b82a11faf973b109bf | |
| parent | block: Handle bio_split() errors in bio_submit_split() (diff) | |
| download | wireguard-linux-74538fdac3e85aae55eb4ed786478ed2384cb85d.tar.xz wireguard-linux-74538fdac3e85aae55eb4ed786478ed2384cb85d.zip | |
md/raid0: Handle bio_split() errors
Add proper bio_split() error handling. For any error, set bi_status, end
the bio, and return.
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20241111112150.3756529-5-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/md/raid0.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 32d587524778..baaf5f8b80ae 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -466,6 +466,12 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) struct bio *split = bio_split(bio, zone->zone_end - bio->bi_iter.bi_sector, GFP_NOIO, &mddev->bio_set); + + if (IS_ERR(split)) { + bio->bi_status = errno_to_blk_status(PTR_ERR(split)); + bio_endio(bio); + return; + } bio_chain(split, bio); submit_bio_noacct(bio); bio = split; @@ -608,6 +614,12 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio) if (sectors < bio_sectors(bio)) { struct bio *split = bio_split(bio, sectors, GFP_NOIO, &mddev->bio_set); + + if (IS_ERR(split)) { + bio->bi_status = errno_to_blk_status(PTR_ERR(split)); + bio_endio(bio); + return true; + } bio_chain(split, bio); raid0_map_submit_bio(mddev, bio); bio = split; |