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Message-Id: <1433953965-24317-1-git-send-email-fabf@skynet.be>
Date: Wed, 10 Jun 2015 18:32:44 +0200
From: Fabian Frederick <fabf@...net.be>
To: linux-kernel@...r.kernel.org
Cc: Julia Lawall <Julia.Lawall@...6.fr>,
Fabian Frederick <fabf@...net.be>,
Mauro Carvalho Chehab <mchehab@....samsung.com>,
linux-media@...r.kernel.org
Subject: [PATCH 1/1 linux-next] 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@...net.be>
---
drivers/media/usb/ttusb-dec/ttusb_dec.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c
index 322b53a..7c3a7c5 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,
--
2.4.2
--
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