[Bluetooth] Kill redundant NULL checks before kfree()

There's no need to check for NULL before calling kfree() on a pointer.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/bpa10x.c

@@ -367,11 +367,8 @@ static inline void bpa10x_free_urb(struct urb *urb)
 	if (!urb)
 		return;
 
-	if (urb->setup_packet)
-		kfree(urb->setup_packet);
-
-	if (urb->transfer_buffer)
-		kfree(urb->transfer_buffer);
+	kfree(urb->setup_packet);
+	kfree(urb->transfer_buffer);
 
 	usb_free_urb(urb);
 }