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

[Alex Deucher]

Applied.  Thanks!

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
>