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Commit a2a182aa authored by Hareesh Gundu's avatar Hareesh Gundu
Browse files

msm: kgsl: Add NULL check for preemption_schedule call 



preemption_schedule() is not implemented for A3xx targets.
Invoking this function without NULL check result into crash
in A3xx target. Fix this by adding a NULL check before invoking
the preemption_schedule().

Change-Id: Ic600235f149cade57fedc5454bdc0f6794c67bd9
Signed-off-by: default avatarHareesh Gundu <hareeshg@codeaurora.org>
parent ec232ec8

drivers/gpu/msm/adreno_dispatch.c

+5 −3
Original line number Diff line number Diff line 
/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.

/* Copyright (c) 2013-2016, 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
@@ -649,6 +649,7 @@ static int sendcmd(struct adreno_device *adreno_dev, 
	 * we just submitted something, readjust ringbuffer

	 * execution level

	 */

	if (gpudev->preemption_schedule)

		gpudev->preemption_schedule(adreno_dev);

	return 0;

}
@@ -2116,6 +2117,7 @@ static void adreno_dispatcher_work(struct work_struct *work) 
	if (dispatcher_do_fault(device))

		goto done;



	if (gpudev->preemption_schedule)

		gpudev->preemption_schedule(adreno_dev);



	if (cur_rb_id != adreno_dev->cur_rb->id) {