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 <ab...@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.ch...@linux.alibaba.com> --- Changes in v2: -For the follow advice: https://lore.kernel.org/patchwork/patch/1435074/ drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 82f0542..b32ed85 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -840,7 +840,6 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx, default: DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type); - return -EINVAL; } BUG(); return -EINVAL; -- 1.8.3.1
