[PATCH] dm mpath: use kzalloc

Use kzalloc() instead of kmalloc() + memset().

Signed-off-by: Micha³ Miros³aw <mirq-linux@rere.qmqm.pl>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 6 insertions, 11 deletions

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index d1dc72c0f98a..d754e0bc6e90 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -114,12 +114,10 @@ static void trigger_event(void *data);
 
 static struct pgpath *alloc_pgpath(void)
 {
-        struct pgpath *pgpath = kmalloc(sizeof(*pgpath), GFP_KERNEL);
+        struct pgpath *pgpath = kzalloc(sizeof(*pgpath), GFP_KERNEL);
 
-        if (pgpath) {
-                memset(pgpath, 0, sizeof(*pgpath));
+        if (pgpath)
                 pgpath->path.is_active = 1;
-        }
 
         return pgpath;
 }
@@ -133,12 +131,10 @@ static struct priority_group *alloc_priority_group(void)
 {
         struct priority_group *pg;
 
-        pg = kmalloc(sizeof(*pg), GFP_KERNEL);
-        if (!pg)
-                return NULL;
+        pg = kzalloc(sizeof(*pg), GFP_KERNEL);
 
-        memset(pg, 0, sizeof(*pg));
-        INIT_LIST_HEAD(&pg->pgpaths);
+        if (pg)
+                INIT_LIST_HEAD(&pg->pgpaths);
 
         return pg;
 }
@@ -172,9 +168,8 @@ static struct multipath *alloc_multipath(struct dm_target *ti)
 {
         struct multipath *m;
 
-        m = kmalloc(sizeof(*m), GFP_KERNEL);
+        m = kzalloc(sizeof(*m), GFP_KERNEL);
         if (m) {
-                memset(m, 0, sizeof(*m));
                 INIT_LIST_HEAD(&m->priority_groups);
                 spin_lock_init(&m->lock);
                 m->queue_io = 1;