[PATCH 4.2.y-ckt 090/305] drm/amdgpu: fix userptr flags check

[Kamal Mostafa]

4.2.8-ckt2 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>

commit 585116c5fafe578e89c146c9839c95ac75acfb9d upstream.

That got messed up while porting it from Radeon.

Reviewed-by: Michel DÃnzer <michel.daenzer@xxxxxxx>
Signed-off-by: Christian KÃnig <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 4afc507..35f5e3d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -241,8 +241,9 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
 	    AMDGPU_GEM_USERPTR_REGISTER))
 		return -EINVAL;
 
-	if (!(args->flags & AMDGPU_GEM_USERPTR_ANONONLY) ||
-		   !(args->flags & AMDGPU_GEM_USERPTR_REGISTER)) {
+	if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) && (
+	     !(args->flags & AMDGPU_GEM_USERPTR_ANONONLY) ||
+	     !(args->flags & AMDGPU_GEM_USERPTR_REGISTER))) {
 
 		/* if we want to write to it we must require anonymous
 		   memory and install a MMU notifier */
-- 
1.9.1