linux-kernel - Re: linux-next: build warning after merge of the nfs tree

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Date:	Tue, 20 Mar 2012 13:28:59 +0000
From:	"Myklebust, Trond" <Trond.Myklebust@...app.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
CC:	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the nfs tree

On Tue, 2012-03-20 at 19:34 +1100, Stephen Rothwell wrote:
> Hi Trond,
> 
> After merging the nfs tree, today's linux-next build (sparc32 defconfig)
> produced this warning:
> 
> net/sunrpc/rpcb_clnt.c: In function 'rpcb_enc_mapping':
> net/sunrpc/rpcb_clnt.c:820:19: warning: unused variable 'task' [-Wunused-variable]
> net/sunrpc/rpcb_clnt.c: In function 'rpcb_dec_getport':
> net/sunrpc/rpcb_clnt.c:837:19: warning: unused variable 'task' [-Wunused-variable]
> net/sunrpc/rpcb_clnt.c: In function 'rpcb_dec_set':
> net/sunrpc/rpcb_clnt.c:860:19: warning: unused variable 'task' [-Wunused-variable]
> net/sunrpc/rpcb_clnt.c: In function 'rpcb_enc_getaddr':
> net/sunrpc/rpcb_clnt.c:892:19: warning: unused variable 'task' [-Wunused-variable]
> net/sunrpc/rpcb_clnt.c: In function 'rpcb_dec_getaddr':
> net/sunrpc/rpcb_clnt.c:914:19: warning: unused variable 'task' [-Wunused-variable]
> fs/lockd/svclock.c:49:20: warning: 'nlmdbg_cookie2a' declared 'static' but never defined [-Wunused-function]
> 
> 
> Probably caused by some debugging being turned off.

Yes, this is due to the new CONFIG_SUNRPC_DEBUG being turned off. The
issue has in fact been in the tree for quite a while, but before we
added the explicit Kbuild switch, you had to have SUNRPC enabled, while
disabling SYSCTL in order to see it.

Anyhow, I've added a fix. Thanks for the report!

Cheers
  Trond
-- 
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@...app.com
www.netapp.com