Merge "msm: cam: reqmgr: Add list empty check for task list" into msm-4.9

		return NULL;

	spin_lock(&workq->task.lock);

	if (list_empty(&workq->task.empty_head))

		goto end;

	task = list_first_entry(&workq->task.empty_head,

		struct crm_workq_task, entry);

	if (task) {

		atomic_sub(1, &workq->task.free_cnt);

		list_del_init(&task->entry);

	}

end:

	spin_unlock(&workq->task.lock);

	return task;