Re: [PATCH] drm/amdgpu: remove unreachable code

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On Tue, May 25, 2021 at 11:27 AM Christian König
<ckoenig.leichtzumerken@xxxxxxxxx> wrote:
>
> Am 24.05.21 um 20:48 schrieb Alex Deucher:
> > Applied.  Thanks!
>
> Ok, that's unfortunate.
>
> IIRC we added the code because of a different compiler warning.
>

I can revert it.

Alex

> Christian.
>
> >
> > Alex
> >
> > On Mon, May 24, 2021 at 6:47 AM Jiapeng Chong
> > <jiapeng.chong@xxxxxxxxxxxxxxxxx> wrote:
> >> In the function amdgpu_uvd_cs_msg(), every branch in the switch
> >> statement will have a return, so the code below the switch statement
> >> will not be executed.
> >>
> >> Eliminate the follow smatch warning:
> >>
> >> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c:845 amdgpu_uvd_cs_msg() warn:
> >> ignoring unreachable code.
> >>
> >> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> >> Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
> >> ---
> >>   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 2 --
> >>   1 file changed, 2 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> >> index 82f0542..375b346 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> >> @@ -842,8 +842,6 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
> >>                  DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
> >>                  return -EINVAL;
> >>          }
> >> -       BUG();
> >> -       return -EINVAL;
> >>   }
> >>
> >>   /**
> >> --
> >> 1.8.3.1
> >>
> > _______________________________________________
> > amd-gfx mailing list
> > amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>




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