1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c
index caa33292a08a..96cd7f644adf 100644
--- a/drivers/media/video/gspca/pac7311.c
+++ b/drivers/media/video/gspca/pac7311.c
@@ -610,13 +610,14 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
                         continue;
                 switch (data[i + 1]) {
                 case 0xd9:              /* end of frame */
+                        i += 2;
                         frame = gspca_frame_add(gspca_dev,
                                                 LAST_PACKET,
-                                                frame, data, i + 1);
-                        data += INTER_FRAME;
-                        len -= INTER_FRAME;
+                                                frame, data, i);
+                        data += i + INTER_FRAME;
+                        len -= i + INTER_FRAME;
                         i = 0;
-                        if (len > LUM_OFFSET)
+                        if (len > -LUM_OFFSET)
                                 sd->lum_sum += data[-LUM_OFFSET];
                         if (len < 0) {
                                 sd->tosof = -len;