Re: [PATCH] drm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_chan_new()

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On 2024/10/30 2:42, Lyude Paul wrote:
> Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>
> 
> Will push upstream in a moment
>
Thank you for reviewing.

Thanks,
Huafei
> On Sun, 2024-10-27 at 01:38 +0800, Li Huafei wrote:
>> When the call to gf100_grctx_generate() fails, unlock gr->fecs.mutex
>> before returning the error.
>>
>> Fixes smatch warning:
>>
>> drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:480 gf100_gr_chan_new() warn: inconsistent returns '&gr->fecs.mutex'.
>>
>> Fixes: ca081fff6ecc ("drm/nouveau/gr/gf100-: generate golden context during first object alloc")
>> Signed-off-by: Li Huafei <lihuafei1@xxxxxxxxxx>
>> ---
>>  drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
>> index 060c74a80eb1..3ea447f6a45b 100644
>> --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
>> +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
>> @@ -443,6 +443,7 @@ gf100_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
>>  		ret = gf100_grctx_generate(gr, chan, fifoch->inst);
>>  		if (ret) {
>>  			nvkm_error(&base->engine.subdev, "failed to construct context\n");
>> +			mutex_unlock(&gr->fecs.mutex);
>>  			return ret;
>>  		}
>>  	}
> 



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