diff mbox

[08/10] amdgpu: validate user memory for userptr

Message ID 1452633836-26855-9-git-send-email-maraeo@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Marek Olšák Jan. 12, 2016, 9:23 p.m. UTC 
From: Chunming Zhou <David1.Zhou@amd.com>

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(-)
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Patch

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));