Re: [PATCH v3] amdgpu: remove unreachable code
From: Christian König <christian.koenig@amd.com>
Date: 2021-05-28 12:18:33
Also in:
amd-gfx, dri-devel, lkml
Am 28.05.21 um 11:29 schrieb Jiapeng Chong:
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 <redacted> Signed-off-by: Jiapeng Chong <redacted>
Reviewed-by: Christian König <christian.koenig@amd.com>
quoted hunk ↗ jump to hunk
--- Changes in v2: -For the follow advice: https://lore.kernel.org/patchwork/patch/1435968/ drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index c6dbc08..35f6874 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c@@ -829,9 +829,8 @@ 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; }