Message ID | 20241031095918.99964-5-john.g.garry@oracle.com (mailing list archive) |
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bio_split() error handling rework
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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;