[PATCH] md: convert md to use kzalloc throughout

Replace multiple kmalloc/memset pairs with kzalloc calls.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index c3ac67cffe62..8c378b62a676 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -228,12 +228,10 @@ static mddev_t * mddev_find(dev_t unit)
         }
         spin_unlock(&all_mddevs_lock);
 
-        new = (mddev_t *) kmalloc(sizeof(*new), GFP_KERNEL);
+        new = kzalloc(sizeof(*new), GFP_KERNEL);
         if (!new)
                 return NULL;
 
-        memset(new, 0, sizeof(*new));
-
         new->unit = unit;
         if (MAJOR(unit) == MD_MAJOR)
                 new->md_minor = MINOR(unit);
@@ -1620,12 +1618,11 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi
         mdk_rdev_t *rdev;
         sector_t size;
 
-        rdev = (mdk_rdev_t *) kmalloc(sizeof(*rdev), GFP_KERNEL);
+        rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);
         if (!rdev) {
                 printk(KERN_ERR "md: could not alloc mem for new device!\n");
                 return ERR_PTR(-ENOMEM);
         }
-        memset(rdev, 0, sizeof(*rdev));
 
         if ((err = alloc_disk_sb(rdev)))
                 goto abort_free;
@@ -3505,11 +3502,10 @@ mdk_thread_t *md_register_thread(void (*run) (mddev_t *), mddev_t *mddev,
 {
         mdk_thread_t *thread;
 
-        thread = kmalloc(sizeof(mdk_thread_t), GFP_KERNEL);
+        thread = kzalloc(sizeof(mdk_thread_t), GFP_KERNEL);
         if (!thread)
                 return NULL;
 
-        memset(thread, 0, sizeof(mdk_thread_t));
         init_waitqueue_head(&thread->wqueue);
 
         thread->run = run;