diff options
Diffstat (limited to 'drivers/media/video/gspca/vc032x.c')
| -rw-r--r-- | drivers/media/video/gspca/vc032x.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c index 589042f..c090efc 100644 --- a/drivers/media/video/gspca/vc032x.c +++ b/drivers/media/video/gspca/vc032x.c @@ -2987,7 +2987,6 @@ static void sd_stop0(struct gspca_dev *gspca_dev) } static void sd_pkt_scan(struct gspca_dev *gspca_dev, - struct gspca_frame *frame, /* target */ u8 *data, /* isoc packet */ int len) /* iso pkt length */ { @@ -2996,21 +2995,25 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, if (data[0] == 0xff && data[1] == 0xd8) { PDEBUG(D_PACK, "vc032x header packet found len %d", len); - frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, - data, 0); + gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); data += sd->image_offset; len -= sd->image_offset; - gspca_frame_add(gspca_dev, FIRST_PACKET, frame, - data, len); + gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); return; } /* The vc0321 sends some additional data after sending the complete * frame, we ignore this. */ - if (sd->bridge == BRIDGE_VC0321 - && len > frame->v4l2_buf.length - (frame->data_end - frame->data)) - len = frame->v4l2_buf.length - (frame->data_end - frame->data); - gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); + if (sd->bridge == BRIDGE_VC0321) { + struct gspca_frame *frame; + int l; + + frame = gspca_get_i_frame(gspca_dev); + l = frame->data_end - frame->data; + if (len > frame->v4l2_buf.length - l) + len = frame->v4l2_buf.length - l; + } + gspca_frame_add(gspca_dev, INTER_PACKET, data, len); } static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val) @@ -3092,6 +3095,8 @@ static int sd_querymenu(struct gspca_dev *gspca_dev, switch (menu->id) { case V4L2_CID_POWER_LINE_FREQUENCY: + if (menu->index >= ARRAY_SIZE(freq_nm)) + break; strcpy((char *) menu->name, freq_nm[menu->index]); return 0; } |