[media] ttusb-dec: use swap() in swap_bytes()
Author: Fabian Frederick <fabf@skynet.be>
Use kernel.h macro definition.
Thanks to Julia Lawall for Coccinelle scripting support.
Signed-off-by: Fabian Frederick
Signed-off-by: Mauro Carvalho Chehab
---
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, |
---
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,