[PATCH] drm/amd/amdgpu: Avoid fault when allocating an empty buffer object

[Tom St Denis]

On 2018-09-17 2:08 p.m., Christian König wrote:
> Am 17.09.2018 um 20:07 schrieb Tom St Denis:
>> Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
> 
> Reviewed-by: Christian König <christian.koenig at amd.com>
> 
> You was faster than me :)

Been a while since I got a patch on the kernel side... need to keep up 
numbers :-)

Tom

> 
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 3 ++-
>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c 
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> index 84d82d5382f9..c1387efc0c91 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
>> @@ -348,7 +348,8 @@ int amdgpu_bo_create_kernel(struct amdgpu_device 
>> *adev,
>>       if (r)
>>           return r;
>> -    amdgpu_bo_unreserve(*bo_ptr);
>> +    if (*bo_ptr)
>> +        amdgpu_bo_unreserve(*bo_ptr);
>>       return 0;
>>   }
>