Applied. Thanks!
Alex
On Sun, Feb 6, 2022 at 10:04 PM Quan, Evan <evan.q...@amd.com> wrote:
>
> [AMD Official Use Only]
>
> Reviewed-by: Evan Quan <evan.q...@amd.com>
>
> > -----Original Message-----
> > From: t...@redhat.com <t...@redhat.com>
> > Sent: Saturday, February 5, 2022 11:00 PM
> > To: Quan, Evan <evan.q...@amd.com>; Deucher, Alexander
> > <alexander.deuc...@amd.com>; Koenig, Christian
> > <christian.koe...@amd.com>; Pan, Xinhui <xinhui....@amd.com>;
> > airl...@linux.ie; dan...@ffwll.ch; nat...@kernel.org;
> > ndesaulni...@google.com; Lazar, Lijo <lijo.la...@amd.com>; Powell, Darren
> > <darren.pow...@amd.com>; Chen, Guchun <guchun.c...@amd.com>;
> > Grodzovsky, Andrey <andrey.grodzov...@amd.com>
> > Cc: amd-gfx@lists.freedesktop.org; dri-de...@lists.freedesktop.org; linux-
> > ker...@vger.kernel.org; l...@lists.linux.dev; Tom Rix <t...@redhat.com>
> > Subject: [PATCH] drm/amd/pm: fix error handling
> >
> > From: Tom Rix <t...@redhat.com>
> >
> > clang static analysis reports this error
> > amdgpu_smu.c:2289:9: warning: Called function pointer
> > is null (null dereference)
> > return smu->ppt_funcs->emit_clk_levels(
> > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> > There is a logic error in the earlier check of
> > emit_clk_levels. The error value is set to
> > the ret variable but ret is never used. Return
> > directly and remove the unneeded ret variable.
> >
> > Fixes: 5d64f9bbb628 ("amdgpu/pm: Implement new API function "emit" that
> > accepts buffer base and write offset")
> > Signed-off-by: Tom Rix <t...@redhat.com>
> > ---
> > drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> > b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> > index af368aa1fd0ae..5f3b3745a9b7a 100644
> > --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> > +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> > @@ -2274,7 +2274,6 @@ static int smu_emit_ppclk_levels(void *handle,
> > enum pp_clock_type type, char *bu
> > {
> > struct smu_context *smu = handle;
> > enum smu_clk_type clk_type;
> > - int ret = 0;
> >
> > clk_type = smu_convert_to_smuclk(type);
> > if (clk_type == SMU_CLK_COUNT)
> > @@ -2284,7 +2283,7 @@ static int smu_emit_ppclk_levels(void *handle,
> > enum pp_clock_type type, char *bu
> > return -EOPNOTSUPP;
> >
> > if (!smu->ppt_funcs->emit_clk_levels)
> > - ret = -ENOENT;
> > + return -ENOENT;
> >
> > return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset);
> >
> > --
> > 2.26.3
