From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Thu, 30 Oct 2008 19:12:03 +0000
Subject: Re: Confusion about unused variable warnings during kernel build.
Message-Id: <20081030191157.GA5836@joi>
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To: kernel-janitors@vger.kernel.org

On Wed, Oct 29, 2008 at 11:51:20AM +0530, Manish Katiyar wrote:
> Hi,
> 
> Occasionally during kernel builds I get some unused variable warnings.
> But when I go and check the code the variable is getting used.
> Interestingly I have seen this problem only with the file symbols
> exported from fs/locks.c. An example of such errors is
> 
> fs/lockd/svclock.c:719: warning: unused variable 'file'
> fs/nfsd/nfsxdr.c:154: warning: unused variable 'dentry'
> fs/nfsd/nfs4state.c:1626: warning: unused variable 'flp'

Check the definition of functions which "use" these variables.

Marcin