evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

msm: kgsl: Add NULL check for preemption_schedule call

Browse source 
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: Hareesh Gundu <hareeshg@codeaurora.org>
This commit is contained in:
Hareesh Gundu 2016-03-11 12:51:52 -07:00 • committed by David Keitel
parent 48a71a3164
commit 4471a742cb
1 changed files with 5 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/gpu/msm/adreno_dispatch.c
View file

@ -1,4 +1,4 @@
/* 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
@ -635,7 +635,8 @@ static int sendcmd(struct adreno_device *adreno_dev,
* we just submitted something, readjust ringbuffer
* execution level
*/
gpudev->preemption_schedule(adreno_dev);
if (gpudev->preemption_schedule)
gpudev->preemption_schedule(adreno_dev);
return 0;
}
@ -2104,7 +2105,8 @@ static void adreno_dispatcher_work(struct work_struct *work)
if (dispatcher_do_fault(adreno_dev))
goto done;
gpudev->preemption_schedule(adreno_dev);
if (gpudev->preemption_schedule)
gpudev->preemption_schedule(adreno_dev);
if (cur_rb_id != adreno_dev->cur_rb->id) {
struct adreno_dispatcher_cmdqueue *dispatch_q =