Applied. Thanks!
Alex
On Thu, Feb 18, 2021 at 6:12 PM Wang, Kevin(Yang) <Kevin1.Wang@xxxxxxx> wrote:
>
> thanks,
>
> Reviewed-by: Kevin Wang <kevin1.wang@xxxxxxx>
>
> Regards,
> Kevin
>
> > 在 2021年2月19日，06:49，Nathan Chancellor <nathan@xxxxxxxxxx> 写道：
> >
> > Clang warns:
> >
> > drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu_cmn.c:764:2: warning:
> > variable 'structure_size' is used uninitialized whenever switch default
> > is taken [-Wsometimes-uninitialized]
> > default:
> > ^~~~~~~
> > drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu_cmn.c:770:23: note:
> > uninitialized use occurs here
> > memset(header, 0xFF, structure_size);
> > ^~~~~~~~~~~~~~
> > drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu_cmn.c:753:25: note:
> > initialize the variable 'structure_size' to silence this warning
> > uint16_t structure_size;
> > ^
> > = 0
> > 1 warning generated.
> >
> > Return in the default case, as the size of the header will not be known.
> >
> > Fixes: de4b7cd8cb87 ("drm/amd/pm/swsmu: unify the init soft gpu metrics function")
> > Link: https://github.com/ClangBuiltLinux/linux/issues/1304
> > Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> > ---
> > drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
> > index bb620fdd4cd2..bcedd4d92e35 100644
> > --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
> > +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
> > @@ -762,7 +762,7 @@ void smu_cmn_init_soft_gpu_metrics(void *table, uint8_t frev, uint8_t crev)
> > structure_size = sizeof(struct gpu_metrics_v2_0);
> > break;
> > default:
> > - break;
> > + return;
> > }
> >
> > #undef METRICS_VERSION
> > --
> > 2.30.1
> >
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