V4L/DVB: gspca - t613: Simplify the scan of isoc packets

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index 0cc79e1..d961834 100644 (file)
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -1080,7 +1080,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
                        u8 *data,                       /* isoc packet */
                        int len)                        /* iso packet length */
 {
-       static u8 ffd9[] = { 0xff, 0xd9 };
+       int pkt_type;
 
        if (data[0] == 0x5a) {
                /* Control Packet, after this came the header again,
@@ -1090,22 +1090,13 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
        }
        data += 2;
        len -= 2;
-       if (data[0] == 0xff && data[1] == 0xd8) {
-               /* extra bytes....., could be processed too but would be
-                * a waste of time, right now leave the application and
-                * libjpeg do it for ourserlves.. */
-               gspca_frame_add(gspca_dev, LAST_PACKET,
-                                       ffd9, 2);
-               gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
-               return;
-       }
-
-       if (data[len - 2] == 0xff && data[len - 1] == 0xd9) {
-               /* Just in case, i have seen packets with the marker,
-                * other's do not include it... */
-               len -= 2;
-       }
-       gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
+       if (data[0] == 0xff && data[1] == 0xd8)
+               pkt_type = FIRST_PACKET;
+       else if (data[len - 2] == 0xff && data[len - 1] == 0xd9)
+               pkt_type = LAST_PACKET;
+       else
+               pkt_type = INTER_PACKET;
+       gspca_frame_add(gspca_dev, pkt_type, data, len);
 }