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path: root/drivers/media/video/cx18/cx18-fileops.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-fileops.c')
-rw-r--r--drivers/media/video/cx18/cx18-fileops.c41
1 files changed, 14 insertions, 27 deletions
diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c
index 14cb961c22b..4bfd865a410 100644
--- a/drivers/media/video/cx18/cx18-fileops.c
+++ b/drivers/media/video/cx18/cx18-fileops.c
@@ -751,20 +751,10 @@ int cx18_v4l2_close(struct file *filp)
CX18_DEBUG_IOCTL("close() of %s\n", s->name);
- v4l2_fh_del(fh);
- v4l2_fh_exit(fh);
-
- /* Easy case first: this stream was never claimed by us */
- if (s->id != id->open_id) {
- kfree(id);
- return 0;
- }
-
- /* 'Unclaim' this stream */
-
- /* Stop radio */
mutex_lock(&cx->serialize_lock);
- if (id->type == CX18_ENC_STREAM_TYPE_RAD) {
+ /* Stop radio */
+ if (id->type == CX18_ENC_STREAM_TYPE_RAD &&
+ v4l2_fh_is_singular_file(filp)) {
/* Closing radio device, return to TV mode */
cx18_mute(cx);
/* Mark that the radio is no longer in use */
@@ -781,10 +771,14 @@ int cx18_v4l2_close(struct file *filp)
}
/* Done! Unmute and continue. */
cx18_unmute(cx);
- cx18_release_stream(s);
- } else {
- cx18_stop_capture(id, 0);
}
+
+ v4l2_fh_del(fh);
+ v4l2_fh_exit(fh);
+
+ /* 'Unclaim' this stream */
+ if (s->id == id->open_id)
+ cx18_stop_capture(id, 0);
kfree(id);
mutex_unlock(&cx->serialize_lock);
return 0;
@@ -810,21 +804,15 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp)
item->open_id = cx->open_id++;
filp->private_data = &item->fh;
+ v4l2_fh_add(&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;
- }
-
+ if (item->type == CX18_ENC_STREAM_TYPE_RAD &&
+ v4l2_fh_is_singular_file(filp)) {
if (!test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
if (atomic_read(&cx->ana_capturing) > 0) {
/* switching to radio while capture is
in progress is not polite */
- cx18_release_stream(s);
+ v4l2_fh_del(&item->fh);
v4l2_fh_exit(&item->fh);
kfree(item);
return -EBUSY;
@@ -842,7 +830,6 @@ 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;
}