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>

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index f8d7b3aa46c67c1b1228714b959804381b83407c..ad779bd13aec43ac6aba859be57a8e94d01a5001 100644 (file)
--- 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;