Merge "msm: camera: Cleanup all the command queues upon close node"

/* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

	return 0;

}

static int __msm_wakeup_all_cmdack_session_stream(void *d1, void *d2)

{

	struct msm_stream *stream = d1;

	struct msm_session *session = d2;

	struct msm_command_ack *cmd_ack = NULL;

	unsigned long spin_flags = 0;

	cmd_ack = msm_queue_find(&session->command_ack_q,

		struct msm_command_ack, list,

		__msm_queue_find_command_ack_q,

		&stream->stream_id);

	if (cmd_ack) {

		spin_lock_irqsave(&(session->command_ack_q.lock),

			spin_flags);

		complete(&cmd_ack->wait_complete);

		spin_unlock_irqrestore(&(session->command_ack_q.lock),

			spin_flags);

	}

	return 0;

}

static int __msm_close_wakeup_all_cmdack_session(void *d1, void *d2)

{

	struct msm_stream  *stream = NULL;

	struct msm_session *session = d1;

	stream = msm_queue_find(&session->stream_q, struct msm_stream,

		list, __msm_wakeup_all_cmdack_session_stream, d1);

	return 0;

}

static long msm_private_ioctl(struct file *file, void *fh,

	bool valid_prio, unsigned int cmd, void *arg)

{

	msm_queue_traverse_action(msm_session_q, struct msm_session, list,

		__msm_close_destry_session_notify_apps, NULL);

	msm_queue_traverse_action(msm_session_q, struct msm_session, list,

		__msm_close_wakeup_all_cmdack_session, NULL);

	spin_lock_irqsave(&msm_eventq_lock, flags);

	msm_eventq = NULL;

	spin_unlock_irqrestore(&msm_eventq_lock, flags);