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| author | Arnd Bergmann <arnd@arndb.de> | 2011-11-23 20:47:41 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-11-23 20:47:41 +0000 |
| commit | 58a273745fbb2fbd01d26e7a60f0acc8c1d99469 (patch) | |
| tree | bc16200f3b6ea150b298422754e32959eaa339bc /drivers/media/video/v4l2-event.c | |
| parent | 951c486f62490e032da0ad17e93270b0cfb6687f (diff) | |
| parent | 0116da4fcc1ae8a80d9002441e98768f2a6fa2fe (diff) | |
Merge branches 'drivers/macb-gem' and 'drivers/pxa-gpio' into next/drivers
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); |