From: Fabian Frederick <fabf@skynet.be>
Date: Wed, 10 Jun 2015 16:32:44 +0000 (-0300)
Subject: [media] ttusb-dec: use swap() in swap_bytes()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=41cc14ba11d7d8532ef4f615c39eb6ebdcdeef61;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

[media] ttusb-dec: use swap() in swap_bytes()

Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c
index 322b53a4f1dd..7c3a7c55d969 100644
--- a/drivers/media/usb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c
@@ -593,14 +593,9 @@ static void ttusb_dec_process_packet(struct ttusb_dec *dec)
 
 static void swap_bytes(u8 *b, int length)
 {
-	u8 c;
-
 	length -= length % 2;
-	for (; length; b += 2, length -= 2) {
-		c = *b;
-		*b = *(b + 1);
-		*(b + 1) = c;
-	}
+	for (; length; b += 2, length -= 2)
+		swap(*b, *(b + 1));
 }
 
 static void ttusb_dec_process_urb_frame(struct ttusb_dec *dec, u8 *b,