Re: [PATCH -next] drm/amdgpu: remove set but not used variables 'ret'

From: Julia Lawall
Date: Sun Jun 23 2019 - 02:10:33 EST




On Sun, 23 Jun 2019, Dan Carpenter wrote:

> On Sat, Jun 22, 2019 at 01:43:19PM +0300, Dan Carpenter wrote:
> > On Sat, Jun 22, 2019 at 11:03:14AM +0800, Mao Wenan wrote:
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
> > > index 0e6dba9..0bf4dd9 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
> > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
> > > @@ -246,12 +246,10 @@ static int init_pmu_by_type(struct amdgpu_device *adev,
> > > /* init amdgpu_pmu */
> > > int amdgpu_pmu_init(struct amdgpu_device *adev)
> > > {
> > > - int ret = 0;
> > > -
> > > switch (adev->asic_type) {
> > > case CHIP_VEGA20:
> > > /* init df */
> > > - ret = init_pmu_by_type(adev, df_v3_6_attr_groups,
> > > + init_pmu_by_type(adev, df_v3_6_attr_groups,
> > > "DF", "amdgpu_df", PERF_TYPE_AMDGPU_DF,
> > > DF_V3_6_MAX_COUNTERS);
> >
> >
> > You're resending this for other reasons, but don't forget to update the
> > indenting on the arguments so they still line up with the '('.
> >
>
> Sorry, I was unclear. If you pull the init_pmu_by_type( back 6
> characters then you also need to pull the "DF" back 6 characters.
>
> init_pmu_by_type(adev, df_v3_6_attr_groups, "DF", "amdgpu_df",
> PERF_TYPE_AMDGPU_DF, DF_V3_6_MAX_COUNTERS);
>
> You can actually fit it into two lines afterwards.

My suggestion was to keep the ret = instead of discarding the indication
of failure, so I think that this is not relevant.

julia