From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
To: alexander.deucher@amd.com
Cc: christian.koenig@amd.com, airlied@linux.ie, daniel@ffwll.ch,
sumit.semwal@linaro.org, amd-gfx@lists.freedesktop.org,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org,
Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Subject: [PATCH] drm/amdgpu: remove unreachable code
Date: Mon, 24 May 2021 18:46:53 +0800 [thread overview]
Message-ID: <1621853213-55876-1-git-send-email-jiapeng.chong@linux.alibaba.com> (raw)
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>
---
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
next reply other threads:[~2021-05-24 10:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-24 10:46 Jiapeng Chong [this message]
2021-05-24 18:48 ` [PATCH] drm/amdgpu: remove unreachable code Alex Deucher
2021-05-25 15:27 ` Christian König
2021-05-25 15:38 ` Alex Deucher
2021-05-25 6:53 ` Christian König
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1621853213-55876-1-git-send-email-jiapeng.chong@linux.alibaba.com \
--to=jiapeng.chong@linux.alibaba.com \
--cc=airlied@linux.ie \
--cc=alexander.deucher@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=christian.koenig@amd.com \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=linaro-mm-sig@lists.linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=sumit.semwal@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).