[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>

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index d1dc72c..d754e0b 100644 (file)
--- 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;