V4L/DVB: gspca - sn9c20x: Bad transfer size of Bayer images

commit 04d174e99a6eca2f62b56c10ae1d7d0499d83e9d upstream.

As the end of frame marker does not contain any pixel, it must not be
transferred.

Reported-by: Ivo Jager <ivo.jager@siliconfields.net>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 644a7fd4701ae9961669a74311bbdb8f264bbf8f..74a005fad89c3ee1cb97d40a02d242236375f6b7 100644 (file)
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -2368,8 +2368,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
                            (data[33] << 10);
                avg_lum >>= 9;
                atomic_set(&sd->avg_lum, avg_lum);
-               gspca_frame_add(gspca_dev, LAST_PACKET,
-                               data, len);
+               gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
                return;
        }
        if (gspca_dev->last_packet_type == LAST_PACKET) {