dm raid1: explicitly initialise bio_lists

Explicitly initialize bio lists instead of relying on kzalloc.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Takahiro Yasui <tyasui@redhat.com>
Tested-by: Takahiro Yasui <tyasui@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index f8d7b3aa46c6..ad779bd13aec 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -849,6 +849,10 @@ static struct mirror_set *alloc_context(unsigned int nr_mirrors,
         }
 
         spin_lock_init(&ms->lock);
+        bio_list_init(&ms->reads);
+        bio_list_init(&ms->writes);
+        bio_list_init(&ms->failures);
+        bio_list_init(&ms->holds);
 
         ms->ti = ti;
         ms->nr_mirrors = nr_mirrors;