[PATCH] drm/amdgpu: remove unreachable code
Alex Deucher
alexdeucher at gmail.com
Mon May 24 18:48:55 UTC 2021
Applied. Thanks!
Alex
On Mon, May 24, 2021 at 6:47 AM Jiapeng Chong
<jiapeng.chong at linux.alibaba.com> 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 at linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong at linux.alibaba.com>
> ---
> 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
>
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