#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/export.h>
static unsigned sev_pos(const struct v4l2_subscribed_event *sev, unsigned idx)
{
unsigned long flags;
unsigned i;
+ if (sub->type == V4L2_EVENT_ALL)
+ return -EINVAL;
+
if (elems < 1)
elems = 1;
if (sub->type == V4L2_EVENT_CTRL) {
{
struct v4l2_subscribed_event *sev;
unsigned long flags;
+ int i;
if (sub->type == V4L2_EVENT_ALL) {
v4l2_event_unsubscribe_all(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);