V4L/DVB (11713): gspca - ov534: Don't discard the images when no UVC EOF

A new image may start without any UVC EOF in the last packet of the
previous image.

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

1 files changed, 13 insertions, 10 deletions

diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c
index 92ab92e4c79..6d9b102be70 100644
--- a/drivers/media/video/gspca/ov534.c
+++ b/drivers/media/video/gspca/ov534.c
@@ -867,18 +867,16 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame,
 
                 /* If PTS or FID has changed, start a new frame. */
                 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
-                        gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
-                                        NULL, 0);
+                        if (gspca_dev->last_packet_type == INTER_PACKET)
+                                frame = gspca_frame_add(gspca_dev,
+                                                        LAST_PACKET, frame,
+                                                        NULL, 0);
                         sd->last_pts = this_pts;
                         sd->last_fid = this_fid;
-                }
-
-                /* Add the data from this payload */
-                gspca_frame_add(gspca_dev, INTER_PACKET, frame,
+                        gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
                                         data + 12, len - 12);
-
                 /* If this packet is marked as EOF, end the frame */
-                if (data[1] & UVC_STREAM_EOF) {
+                } else if (data[1] & UVC_STREAM_EOF) {
                         sd->last_pts = 0;
 
                         if (frame->data_end - frame->data !=
@@ -886,11 +884,16 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame,
                                 PDEBUG(D_PACK, "short frame");
                                 goto discard;
                         }
-
                         frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
-                                                NULL, 0);
+                                                data + 12, len - 12);
+                } else {
+
+                        /* Add the data from this payload */
+                        gspca_frame_add(gspca_dev, INTER_PACKET, frame,
+                                                data + 12, len - 12);
                 }
 
+
                 /* Done this payload */
                 goto scan_next;