Re: [PATCH] drm/amdgpu: fix userptr flags check

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On 26.11.2015 19:06, Christian König wrote:
> From: Christian König <christian.koenig@xxxxxxx>
> 
> That got messed up while porting it from Radeon.
> 
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
>  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 00c5b58..af53215 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -242,8 +242,9 @@ 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 */
> 

Reviewed-by: Michel Dänzer <michel.daenzer@xxxxxxx>


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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