fs: ufs: remove cast for kmalloc return value

remove cast for kmalloc return value.

Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Evgeniy Dushistov <dushistov@mail.ru>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/fs/ufs/util.c b/fs/ufs/util.c
index 95425b5..b6c2f94 100644
--- a/fs/ufs/util.c
+++ b/fs/ufs/util.c
@@ -26,8 +26,7 @@
 	count = size >> uspi->s_fshift;
 	if (count > UFS_MAXFRAG)
 		return NULL;
-	ubh = (struct ufs_buffer_head *)
-		kmalloc (sizeof (struct ufs_buffer_head), GFP_NOFS);
+	ubh = kmalloc (sizeof (struct ufs_buffer_head), GFP_NOFS);
 	if (!ubh)
 		return NULL;
 	ubh->fragment = fragment;