Re: [PATCH -next v2] drm/amdgpu: return 'ret' in amdgpu_pmu_init

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On Sat, 2019-06-22 at 21:05 +0800, Mao Wenan wrote:
> There is one warning:
> drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c: In function ‘amdgpu_pmu_init’:
> drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c:249:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
>   int ret = 0;
[]
>  v1->v2: change the subject for this patch; change the indenting when it calls init_pmu_by_type; use the value 'ret' in
>  amdgpu_pmu_init().
[]
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
[]
> @@ -252,8 +252,8 @@ int amdgpu_pmu_init(struct amdgpu_device *adev)
>  	case CHIP_VEGA20:
>  		/* init df */
>  		ret = init_pmu_by_type(adev, df_v3_6_attr_groups,
> -				       "DF", "amdgpu_df", PERF_TYPE_AMDGPU_DF,
> -				       DF_V3_6_MAX_COUNTERS);
> +							   "DF", "amdgpu_df", PERF_TYPE_AMDGPU_DF,
> +							   DF_V3_6_MAX_COUNTERS);

trivia:

The indentation change seems superfluous and
appears to make the code harder to read.

You could also cc Jonathan Kim who wrote all of this.


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