All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH v3] amdgpu: remove unreachable code
@ 2021-05-28  9:29 ` Jiapeng Chong
  0 siblings, 0 replies; 9+ messages in thread
From: Jiapeng Chong @ 2021-05-28  9:29 UTC (permalink / raw)
  To: alexander.deucher
  Cc: christian.koenig, airlied, daniel, sumit.semwal, amd-gfx,
	dri-devel, linux-kernel, linux-media, linaro-mm-sig,
	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@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
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;
 }
 
-- 
1.8.3.1


^ permalink raw reply related	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2021-06-02  1:57 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-28  9:29 [PATCH v3] amdgpu: remove unreachable code Jiapeng Chong
2021-05-28  9:29 ` Jiapeng Chong
2021-05-28  9:29 ` Jiapeng Chong
2021-05-28 12:18 ` Christian König
2021-05-28 12:18   ` Christian König
2021-05-28 12:18   ` Christian König
2021-06-02  1:57   ` Alex Deucher
2021-06-02  1:57     ` Alex Deucher
2021-06-02  1:57     ` Alex Deucher

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.