From 613b14884b8595e20b9fac4126bf627313827fbe Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 4 Jan 2023 08:51:19 -0700 Subject: block: handle bio_split_to_limits() NULL return This can't happen right now, but in preparation for allowing bio_split_to_limits() returning NULL if it ended the bio, check for it in all the callers. Signed-off-by: Jens Axboe --- drivers/s390/block/dcssblk.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/s390') diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index b392b9f5482e..c0f85ffb2b62 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -865,6 +865,8 @@ dcssblk_submit_bio(struct bio *bio) unsigned long bytes_done; bio = bio_split_to_limits(bio); + if (!bio) + return; bytes_done = 0; dev_info = bio->bi_bdev->bd_disk->private_data; -- cgit v1.2.3