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Commit 9ea3e6ff authored by Rajesh Kemisetti's avatar Rajesh Kemisetti
Browse files

msm: kgsl: Add NULL check for kgsl_midframe before accessing it 



in kgsl_pwrscale_init(), add missing NULL check for kgsl_midframe
to avoid further accessing, in case if memory is not available.

Change-Id: If6a4e59d4675fe67aefc63d7f8251f4d28ddeec5
Signed-off-by: default avatarRajesh Kemisetti <rajeshk@codeaurora.org>
parent 2e47ba9a

drivers/gpu/msm/kgsl_pwrscale.c

+10 −6
Original line number Diff line number Diff line 
/* Copyright (c) 2010-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2010-2017, 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
@@ -917,11 +917,15 @@ int kgsl_pwrscale_init(struct device *dev, const char *governor) 
			"qcom,enable-midframe-timer")) {

		kgsl_midframe = kzalloc(

				sizeof(struct kgsl_midframe_info), GFP_KERNEL);

		if (kgsl_midframe) {

			hrtimer_init(&kgsl_midframe->timer,

					CLOCK_MONOTONIC, HRTIMER_MODE_REL);

			kgsl_midframe->timer.function =

					kgsl_pwrscale_midframe_timer;

			kgsl_midframe->device = device;

		} else

			KGSL_PWR_ERR(device,

				"Failed to enable-midframe-timer feature\n");

	}



	/*