diff options
| -rw-r--r-- | drivers/md/dm-bio-list.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/dm-bio-list.h b/drivers/md/dm-bio-list.h index bc021e1fd4d..bbf4615f0e3 100644 --- a/drivers/md/dm-bio-list.h +++ b/drivers/md/dm-bio-list.h @@ -33,6 +33,9 @@ static inline void bio_list_add(struct bio_list *bl, struct bio *bio) static inline void bio_list_merge(struct bio_list *bl, struct bio_list *bl2) { + if (!bl2->head) + return; + if (bl->tail) bl->tail->bi_next = bl2->head; else |