Input: wistron_btns - switch to using kmemdup()

Use kmemdup when some other buffer is immediately copied into the
allocated region.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 04d5a4a3181f..4dac8b79fcd4 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -983,11 +983,11 @@ static int __init copy_keymap(void)
         for (key = keymap; key->type != KE_END; key++)
                 length++;
 
-        new_keymap = kmalloc(length * sizeof(struct key_entry), GFP_KERNEL);
+        new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
+                             GFP_KERNEL);
         if (!new_keymap)
                 return -ENOMEM;
 
-        memcpy(new_keymap, keymap, length * sizeof(struct key_entry));
         keymap = new_keymap;
 
         return 0;