1 files changed, 1 insertions, 3 deletions

diff --git a/arch/mips/ath79/dev-gpio-buttons.c b/arch/mips/ath79/dev-gpio-buttons.c
index 4b0168a11c01..366b35fb164d 100644
--- a/arch/mips/ath79/dev-gpio-buttons.c
+++ b/arch/mips/ath79/dev-gpio-buttons.c
@@ -25,12 +25,10 @@ void __init ath79_register_gpio_keys_polled(int id,
         struct gpio_keys_button *p;
         int err;
 
-        p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL);
+        p = kmemdup(buttons, nbuttons * sizeof(*p), GFP_KERNEL);
         if (!p)
                 return;
 
-        memcpy(p, buttons, nbuttons * sizeof(*p));
-
         pdev = platform_device_alloc("gpio-keys-polled", id);
         if (!pdev)
                 goto err_free_buttons;