Commit 612b69ba authored Sep 11, 2020 by Deepak Kumar

msm; kgsl: Correct secure pagetable pointer check



Secure pagetable pointer in case of secure pagetable creation
failure is set to ERR_PTR. Correct the secure pagetable pointer
check in kgsl_iommu_map_secure_global to avoid invalid pointer
access when someone tries to map a secure global buffer.

Change-Id: Ic938072e38c410a31158b8ab83f2678b2a64f276
Signed-off-by: Deepak Kumar <dkumar@codeaurora.org>

parent 38b1718d

drivers/gpu/msm/kgsl_iommu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -182,7 +182,7 @@ static int kgsl_iommu_get_gpuaddr(struct kgsl_pagetable *pagetable,
		static void kgsl_iommu_map_secure_global(struct kgsl_mmu *mmu,
		struct kgsl_memdesc *memdesc)
		{
		if (!mmu->securepagetable)
		if (IS_ERR_OR_NULL(mmu->securepagetable))
		return;

		if (!memdesc->gpuaddr) {