diff options
Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-ioctl.c')
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-ioctl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c index 4e40c4e301e..0b0250a7583 100644 --- a/drivers/media/pci/ivtv/ivtv-ioctl.c +++ b/drivers/media/pci/ivtv/ivtv-ioctl.c @@ -289,6 +289,8 @@ static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id, case V4L2_DEC_CMD_PAUSE: dc->flags &= V4L2_DEC_CMD_PAUSE_TO_BLACK; if (try) break; + if (!atomic_read(&itv->decoding)) + return -EPERM; if (itv->output_mode != OUT_MPG) return -EBUSY; if (atomic_read(&itv->decoding) > 0) { @@ -301,6 +303,8 @@ static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id, case V4L2_DEC_CMD_RESUME: dc->flags = 0; if (try) break; + if (!atomic_read(&itv->decoding)) + return -EPERM; if (itv->output_mode != OUT_MPG) return -EBUSY; if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) { @@ -1250,6 +1254,9 @@ static int ivtv_g_enc_index(struct file *file, void *fh, struct v4l2_enc_idx *id if (entries > V4L2_ENC_IDX_ENTRIES) entries = V4L2_ENC_IDX_ENTRIES; idx->entries = 0; + idx->entries_cap = IVTV_MAX_PGM_INDEX; + if (!atomic_read(&itv->capturing)) + return 0; for (i = 0; i < entries; i++) { *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX]; if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) { |