Quoting Li Zefan ([EMAIL PROTECTED]):
> This saves 40 bytes on my x86_32 box.
>
> Signed-off-by: Li Zefan <[EMAIL PROTECTED]>
Acked-by: Serge Hallyn <[EMAIL PROTECTED]>
> ---
> security/device_cgroup.c | 9 ++-------
> 1 files changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/security/device_cgroup.c b/security/device_cgroup.c
> index 46f2397..9c625f6 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)
> --
> 1.5.4.rc3
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