Commit e9756715 authored Jun 04, 2014 by Jordan Crouse

msm: kgsl: There is no need to map global PT entries for NOMMU



There is some tortured logic preventing a NULL pointer from being
dereferenced deep in the depths of kgsl_mmu_map if kgsl_mmu_type is
KGSL_MMU_TYPE_NONE but there isn't any reason to even go down the
path in the first place.

Change-Id: Ic0dedbad94c5374e62de3fd7e9c03a404c954014
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>

parent 75f44d14

drivers/gpu/msm/kgsl_mmu.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -537,11 +537,7 @@ int kgsl_mmu_start(struct kgsl_device *device)
		struct kgsl_mmu *mmu = &device->mmu;
		int ret = 0;

		if (kgsl_mmu_type == KGSL_MMU_TYPE_NONE) {
		/* Setup gpuaddr of global mappings */
		if (!mmu->setstate_memory.gpuaddr)
		ret = kgsl_map_global_pt_entries(NULL);
		} else
		if (kgsl_mmu_type != KGSL_MMU_TYPE_NONE)
		ret = mmu->mmu_ops->mmu_start(mmu);

		return ret;