diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-fileops.c')
-rw-r--r-- | drivers/media/video/cx18/cx18-fileops.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c index 98ef33e..1172d68 100644 --- a/drivers/media/video/cx18/cx18-fileops.c +++ b/drivers/media/video/cx18/cx18-fileops.c @@ -585,7 +585,7 @@ start_failed: ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, loff_t *pos) { - struct cx18_open_id *id = filp->private_data; + struct cx18_open_id *id = file2id(filp); struct cx18 *cx = id->cx; struct cx18_stream *s = &cx->streams[id->type]; int rc; @@ -602,7 +602,7 @@ ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) { - struct cx18_open_id *id = filp->private_data; + struct cx18_open_id *id = file2id(filp); struct cx18 *cx = id->cx; struct cx18_stream *s = &cx->streams[id->type]; int eof = test_bit(CX18_F_S_STREAMOFF, &s->s_flags); @@ -676,13 +676,16 @@ void cx18_stop_capture(struct cx18_open_id *id, int gop_end) int cx18_v4l2_close(struct file *filp) { - struct cx18_open_id *id = filp->private_data; + struct v4l2_fh *fh = filp->private_data; + struct cx18_open_id *id = fh2id(fh); struct cx18 *cx = id->cx; struct cx18_stream *s = &cx->streams[id->type]; CX18_DEBUG_IOCTL("close() of %s\n", s->name); v4l2_prio_close(&cx->prio, id->prio); + v4l2_fh_del(fh); + v4l2_fh_exit(fh); /* Easy case first: this stream was never claimed by us */ if (s->id != id->open_id) { @@ -728,22 +731,25 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp) CX18_DEBUG_FILE("open %s\n", s->name); /* Allocate memory */ - item = kmalloc(sizeof(struct cx18_open_id), GFP_KERNEL); + item = kzalloc(sizeof(struct cx18_open_id), GFP_KERNEL); if (NULL == item) { CX18_DEBUG_WARN("nomem on v4l2 open\n"); return -ENOMEM; } + v4l2_fh_init(&item->fh, s->video_dev); + item->cx = cx; item->type = s->type; v4l2_prio_open(&cx->prio, &item->prio); item->open_id = cx->open_id++; - filp->private_data = item; + filp->private_data = &item->fh; if (item->type == CX18_ENC_STREAM_TYPE_RAD) { /* Try to claim this stream */ if (cx18_claim_stream(item, item->type)) { /* No, it's already in use */ + v4l2_fh_exit(&item->fh); kfree(item); return -EBUSY; } @@ -753,6 +759,7 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp) /* switching to radio while capture is in progress is not polite */ cx18_release_stream(s); + v4l2_fh_exit(&item->fh); kfree(item); return -EBUSY; } @@ -769,6 +776,7 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp) /* Done! Unmute and continue. */ cx18_unmute(cx); } + v4l2_fh_add(&item->fh); return 0; } |