From 2cdc7241a290bb2b9ef4c2e2969a4a3ed92abb63 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Sat, 18 Oct 2008 20:28:06 -0700 Subject: [PATCH] devcgroup: use kmemdup() This saves 40 bytes on my x86_32 box. Signed-off-by: Li Zefan Acked-by: Serge Hallyn Cc: Paul Menage Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- security/device_cgroup.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/security/device_cgroup.c b/security/device_cgroup.c index 46f23971f7e..9c625f65ee5 100644 --- a/security/device_cgroup.c +++ b/security/device_cgroup.c @@ -84,13 +84,9 @@ static int dev_whitelist_copy(struct list_head *dest, struct list_head *orig) struct dev_whitelist_item *wh, *tmp, *new; list_for_each_entry(wh, orig, list) { - new = kmalloc(sizeof(*wh), GFP_KERNEL); + new = kmemdup(wh, sizeof(*wh), GFP_KERNEL); if (!new) goto free_and_exit; - new->major = wh->major; - new->minor = wh->minor; - new->type = wh->type; - new->access = wh->access; list_add_tail(&new->list, dest); } @@ -114,11 +110,10 @@ static int dev_whitelist_add(struct dev_cgroup *dev_cgroup, { struct dev_whitelist_item *whcopy, *walk; - whcopy = kmalloc(sizeof(*whcopy), GFP_KERNEL); + whcopy = kmemdup(wh, sizeof(*wh), GFP_KERNEL); if (!whcopy) return -ENOMEM; - memcpy(whcopy, wh, sizeof(*whcopy)); spin_lock(&dev_cgroup->lock); list_for_each_entry(walk, &dev_cgroup->whitelist, list) { if (walk->type != wh->type) -- 2.20.1