Am 25.05.21 um 12:40 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 <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
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();
You also need to remove the BUG() here or otherwise that will crash on
an relatively harmless error.
Christian.
return -EINVAL;
