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authorFabian Frederick <fabf@skynet.be>2015-06-10 13:32:44 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-07-17 09:02:48 -0300
commit41cc14ba11d7d8532ef4f615c39eb6ebdcdeef61 (patch)
tree63243dd68cffe6ce08dc2f2eb63cd55ae8e4e438 /drivers/media/usb
parent8783b9c50400c6279d7c3b716637b98e83d3c933 (diff)
downloadlinux-41cc14ba11d7d8532ef4f615c39eb6ebdcdeef61.tar.gz
[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>
Diffstat (limited to 'drivers/media/usb')
-rw-r--r--drivers/media/usb/ttusb-dec/ttusb_dec.c9
1 files 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 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,