linux-kernel - Re: [Patch] selinux: remove an unreachable line

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Message-ID: <20091202123558.GC5224@bicker>
Date:	Wed, 2 Dec 2009 14:35:58 +0200
From:	Dan Carpenter <error27@...il.com>
To:	Cong Wang <amwang@...hat.com>
Cc:	Joe Perches <joe@...ches.com>, linux-kernel@...r.kernel.org,
	Eric Paris <eparis@...isplace.org>,
	linux-security-module@...r.kernel.org, akpm@...ux-foundation.org,
	James Morris <jmorris@...ei.org>
Subject: Re: [Patch] selinux: remove an unreachable line

On Tue, Dec 01, 2009 at 04:31:36PM +0800, Cong Wang wrote:
> Joe Perches wrote:
>> On Tue, 2009-12-01 at 02:41 -0500, Amerigo Wang wrote:
>>> This line is unreachable, remove it.
>> []
>>> diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
>>> index b5407f1..a2f1034 100644
>>> --- a/security/selinux/ss/mls.c
>>> +++ b/security/selinux/ss/mls.c
>>> @@ -544,7 +544,6 @@ int mls_compute_sid(struct context *scontext,
>>>  	default:
>>>  		return -EINVAL;
>>>  	}
>>> -	return -EINVAL;
>>>  }
>>
>> I think it's better to remove the default case.
>>
>
> This is totally a personal taste, I think.
> Either is OK. James, any comments?

I think the last unreachable return might also stop certain
versions of gcc complaining about control reaching the end of
a non void function.

regards,
dan carpenter
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