bio_list_merge() should do nothing if the second list is empty - not oops.
From: [email protected]
Signed-Off-By: Alasdair G Kergon <[email protected]>
Index: linux-2.6.14/drivers/md/dm-bio-list.h
===================================================================
--- linux-2.6.14.orig/drivers/md/dm-bio-list.h 2005-10-28 01:02:08.000000000 +0100
+++ linux-2.6.14/drivers/md/dm-bio-list.h 2005-11-15 15:59:20.000000000 +0000
@@ -33,6 +33,9 @@ static inline void bio_list_add(struct b
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
-
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