diff options
| author | Tony Lindgren <tony@atomide.com> | 2011-11-23 14:46:10 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2011-11-23 14:46:10 -0800 |
| commit | 52f3a41e0aca5625fbd118ed57a4debb25817e99 (patch) | |
| tree | 86730c862fc97eef5f1eb1a81bf74bf2a8a36754 /drivers/media/video/v4l2-event.c | |
| parent | e9b7086b80c4d9e354f4edc9e280ae85a60df408 (diff) | |
| parent | 8770b07c2dff3cec2c751b289ee690137c88ea54 (diff) | |
Merge branch 'fixes-v3.2-rc2' into fixes
Diffstat (limited to 'drivers/media/video/v4l2-event.c')
| -rw-r--r-- | drivers/media/video/v4l2-event.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/media/video/v4l2-event.c b/drivers/media/video/v4l2-event.c index 46037f22552..c26ad963714 100644 --- a/drivers/media/video/v4l2-event.c +++ b/drivers/media/video/v4l2-event.c @@ -216,6 +216,9 @@ int v4l2_event_subscribe(struct v4l2_fh *fh, unsigned long flags; unsigned i; + if (sub->type == V4L2_EVENT_ALL) + return -EINVAL; + if (elems < 1) elems = 1; if (sub->type == V4L2_EVENT_CTRL) { @@ -283,6 +286,7 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh, { struct v4l2_subscribed_event *sev; unsigned long flags; + int i; if (sub->type == V4L2_EVENT_ALL) { v4l2_event_unsubscribe_all(fh); @@ -293,8 +297,12 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh, sev = v4l2_event_subscribed(fh, sub->type, sub->id); if (sev != NULL) { + /* Remove any pending events for this subscription */ + for (i = 0; i < sev->in_use; i++) { + list_del(&sev->events[sev_pos(sev, i)].list); + fh->navailable--; + } list_del(&sev->list); - sev->fh = NULL; } spin_unlock_irqrestore(&fh->vdev->fh_lock, flags); |