diff --git a/drivers/media/usb/cpia2/cpia2_usb.c b/drivers/media/usb/cpia2/cpia2_usb.c
index 7a50662348f622e82e04e76aed9f57f42d8ab45e..1c7e16e5d88b53f0258fd2bcd749e10299945ec0 100644
--- a/drivers/media/usb/cpia2/cpia2_usb.c
+++ b/drivers/media/usb/cpia2/cpia2_usb.c
@@ -547,12 +547,10 @@ static int write_packet(struct usb_device *udev,
 	if (!registers || size <= 0)
 		return -EINVAL;
 
-	buf = kmalloc(size, GFP_KERNEL);
+	buf = kmemdup(registers, size, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
-	memcpy(buf, registers, size);
-
 	ret = usb_control_msg(udev,
 			       usb_sndctrlpipe(udev, 0),
 			       request,