From: Chunming Zhou <David1.Zhou@amd.com>
Date: Mon, 30 Nov 2015 06:08:07 +0000 (+0800)
Subject: amdgpu: validate user memory for userptr
X-Git-Tag: libdrm-2.4.67~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f06c9928198d9348fb31325a2a480afbc29c04b8;p=platform%2Fupstream%2Flibdrm.git

amdgpu: validate user memory for userptr

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---

diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c
index 2ae1c18..d30fd1e 100644
--- a/amdgpu/amdgpu_bo.c
+++ b/amdgpu/amdgpu_bo.c
@@ -539,7 +539,8 @@ int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev,
 	struct drm_amdgpu_gem_userptr args;
 
 	args.addr = (uintptr_t)cpu;
-	args.flags = AMDGPU_GEM_USERPTR_ANONONLY | AMDGPU_GEM_USERPTR_REGISTER;
+	args.flags = AMDGPU_GEM_USERPTR_ANONONLY | AMDGPU_GEM_USERPTR_REGISTER |
+		AMDGPU_GEM_USERPTR_VALIDATE;
 	args.size = size;
 	r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_GEM_USERPTR,
 				&args, sizeof(args));