[PATCH libdrm] amdgpu: When couldn't find bo, need to return error.

[Christian König]

Am 03.09.2018 um 09:16 schrieb Zhang, Jerry (Junwei):
> On 09/03/2018 03:11 PM, Christian König wrote:
>>> About master branch, needs someone's help with correct permission.
>> I've already took care of that on the weekend.
>
> Thank you again.
> BTW, how to apply that permission?

Previously that was done by opening a bugzilla ticket, but since the 
migration to gitlab that might be outdated now.

A good start is to go to https://gitlab.freedesktop.org and register an 
account, then somebody from the admin team needs to add that account to 
the appropriate groups.

Regards,
Christian.

>
> Regards,
> Jerry
>
>>
>> Regards,
>> Christian.
>>
>> Am 03.09.2018 um 03:42 schrieb Zhang, Jerry (Junwei):
>>> On 09/01/2018 04:58 PM, Deng, Emily wrote:
>>>> Ok, then just ignore this patch. But seems didn't saw the patch on 
>>>> branch amd-staging-hybrid-master20180315.
>>>
>>> Thanks to take care of this as well.
>>>
>>> I'm waiting some verification, and now push the patch to internal 
>>> staging branch
>>> mainline will be pushed later for another verification.
>>>
>>> About master branch, needs someone's help with correct permission.
>>>
>>> Regards,
>>> Jerry
>>>>
>>>> Best wishes
>>>> Emily Deng
>>>>
>>>>> -----Original Message-----
>>>>> From: Christian König <ckoenig.leichtzumerken at gmail.com>
>>>>> Sent: Saturday, September 1, 2018 4:17 PM
>>>>> To: Deng, Emily <Emily.Deng at amd.com>; amd-gfx at lists.freedesktop.org
>>>>> Subject: Re: [PATCH libdrm] amdgpu: When couldn't find bo, need to 
>>>>> return
>>>>> error.
>>>>>
>>>>> Am 01.09.2018 um 06:24 schrieb Emily Deng:
>>>>>> The startx will have segmant fault if return success.
>>>>>>
>>>>>> SWDEV-163962
>>>>>>
>>>>>> Change-Id: I56b189fa26efdcd1d96e5100af3f3e0b1208b0c3
>>>>>> Signed-off-by: Emily Deng <Emily.Deng at amd.com>
>>>>>
>>>>> Jerry already send a much better patch for this.
>>>>>
>>>>>> ---
>>>>>>    amdgpu/amdgpu_bo.c | 4 +++-
>>>>>>    1 file changed, 3 insertions(+), 1 deletion(-)
>>>>>>
>>>>>> diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c index
>>>>>> f25cacc..7e297fa 100644
>>>>>> --- a/amdgpu/amdgpu_bo.c
>>>>>> +++ b/amdgpu/amdgpu_bo.c
>>>>>> @@ -760,6 +760,7 @@ int
>>>>> amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev,
>>>>>>                      uint64_t *offset_in_bo)
>>>>>>    {
>>>>>>        uint32_t i;
>>>>>> +    int r = 0;
>>>>>>        struct amdgpu_bo *bo;
>>>>>>
>>>>>>        if (cpu == NULL || size == 0)
>>>>>> @@ -787,10 +788,11 @@ int
>>>>> amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev,
>>>>>>        } else {
>>>>>>            *buf_handle = NULL;
>>>>>>            *offset_in_bo = 0;
>>>>>> +        r = -errno;
>>>>>
>>>>> errno doesn't contain any error in this case.
>>>>>
>>>>>>        }
>>>>>> pthread_mutex_unlock(&dev->bo_table_mutex);
>>>>>>
>>>>>> -    return 0;
>>>>>> +    return r;
>>>>>>    }
>>>>>>
>>>>>>    int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev,
>>>>
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>>>>
>>