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amdgpu: validate user memory for userptr 

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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Chunming Zhou 2015-11-30 14:08:07 +08:00 committed by Marek Olšák
parent 50386e09db
commit f06c992819
1 changed files with 2 additions and 1 deletions
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3
amdgpu/amdgpu_bo.c
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@ -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));