Merge "msm: kgsl: Remove VM_MAYWRITE flag to restrict mprotect" (65b4f350) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/gpu/msm/kgsl.c

+3 −1

Original line number	Diff line number	Diff line
		/* Copyright (c) 2008-2019, The Linux Foundation. All rights reserved.
		/* Copyright (c) 2008-2020, 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
		@@ -4139,6 +4139,8 @@ kgsl_mmap_memstore(struct kgsl_device device, struct vm_area_struct vma)
		if (vma->vm_flags & VM_WRITE)
		return -EPERM;

		vma->vm_flags &= ~VM_MAYWRITE;

		if (memdesc->size != vma_size) {
		KGSL_MEM_ERR(device, "memstore bad size: %d should be %llu\n",
		vma_size, memdesc->size);