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| author | Jens Axboe <axboe@kernel.dk> | 2023-01-04 08:51:19 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-01-04 09:05:23 -0700 |
| commit | 613b14884b8595e20b9fac4126bf627313827fbe (patch) | |
| tree | c779b681aaaeb9854bc310c3a618b8c72f376686 /drivers/s390 | |
| parent | 1551ed5a178ca030adc92b1eb29157b5e92bf134 (diff) | |
| download | linux-613b14884b8595e20b9fac4126bf627313827fbe.tar.gz linux-613b14884b8595e20b9fac4126bf627313827fbe.tar.bz2 linux-613b14884b8595e20b9fac4126bf627313827fbe.zip | |
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 <axboe@kernel.dk>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/block/dcssblk.c | 2 |
1 files changed, 2 insertions, 0 deletions
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; |