Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 804f5086 authored by Sreelakshmi Gownipalli's avatar Sreelakshmi Gownipalli Committed by Gerrit - the friendly Code Review server
Browse files

diag: Do not close MHI channels when usb is disconnected 



Do not close MHI channels when usb is disconnected and a process
is running in memory device mode.

Change-Id: I043fc25542e432a9fa294d4f433945718b2e5878
Signed-off-by: default avatarSreelakshmi Gownipalli <sgownipa@codeaurora.org>
parent 8b5bb77c

drivers/char/diag/diagfwd_bridge.c

+13 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2017, 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
@@ -90,6 +90,18 @@ static int diagfwd_bridge_mux_disconnect(int id, int mode) 
{

	if (id < 0 || id >= NUM_REMOTE_DEV)

		return -EINVAL;



	if ((mode == DIAG_USB_MODE &&

		driver->logging_mode == DIAG_MEMORY_DEVICE_MODE) ||

		(mode == DIAG_MEMORY_DEVICE_MODE &&

		driver->logging_mode == DIAG_USB_MODE)) {

		/*

		 * Don't close the MHI channels when usb is disconnected

		 * and a process is running in memory device mode.

		 */

		return 0;

	}



	if (bridge_info[id].dev_ops && bridge_info[id].dev_ops->close)

		bridge_info[id].dev_ops->close(bridge_info[id].ctxt);

	return 0;