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From 9fc51dbbea13b37b9a1a59103ba54d39df652c88 Mon Sep 17 00:00:00 2001
From: Arindam Nath <arindam.nath@amd.com>
Date: Tue, 22 Mar 2016 12:11:21 +0530
Subject: [PATCH 3/6] amdgpu: validate user memory for userptr
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
amdgpu/amdgpu_bo.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c
index 2ae1c18..b57de79 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));
--
1.9.1
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