prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE);
while (list->head == list->tail) {
- if (file->f_flags & O_NONBLOCK) {
- retval = -EAGAIN;
- break;
- }
if (signal_pending(current)) {
retval = -ERESTARTSYS;
break;
retval = -EIO;
break;
}
+ if (file->f_flags & O_NONBLOCK) {
+ retval = -EAGAIN;
+ break;
+ }
/* let O_NONBLOCK tasks run */
mutex_unlock(&list->thread_lock);
break;
case HIDIOCAPPLICATION:
- if (arg < 0 || arg >= hid->maxapplication)
+ if (arg >= hid->maxapplication)
break;
for (i = 0; i < hid->maxcollection; i++)