diff options
Diffstat (limited to 'drivers/media/video/gspca/gspca.c')
| -rw-r--r-- | drivers/media/video/gspca/gspca.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 0004469691cc..b9846106913e 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -440,10 +440,15 @@ void gspca_frame_add(struct gspca_dev *gspca_dev, frame->v4l2_buf.sequence = ++gspca_dev->sequence; gspca_dev->image = frame->data; gspca_dev->image_len = 0; - } else if (gspca_dev->last_packet_type == DISCARD_PACKET) { - if (packet_type == LAST_PACKET) - gspca_dev->last_packet_type = packet_type; - return; + } else { + switch (gspca_dev->last_packet_type) { + case DISCARD_PACKET: + if (packet_type == LAST_PACKET) + gspca_dev->last_packet_type = packet_type; + return; + case LAST_PACKET: + return; + } } /* append the packet to the frame buffer */ @@ -454,6 +459,12 @@ void gspca_frame_add(struct gspca_dev *gspca_dev, gspca_dev->frsz); packet_type = DISCARD_PACKET; } else { +/* !! image is NULL only when last pkt is LAST or DISCARD + if (gspca_dev->image == NULL) { + err("gspca_frame_add() image == NULL"); + return; + } + */ memcpy(gspca_dev->image + gspca_dev->image_len, data, len); gspca_dev->image_len += len; |