Re: [PATCH] nfsd: fix unused "nn" variable warning in free_client()

[J. Bruce Fields]

On Wed, Jan 09, 2013 at 01:39:04PM +0400, Stanislav Kinsbursky wrote:
> Bruce, sorry, forgot to add:
> 
> Reported-by: Toralf FÃrster <toralf.foerster@xxxxxx>

Thanks, added that, and committing for 3.9.--b.

> 
> 09.01.2013 13:38, Stanislav Kinsbursky ÐÐÑÐÑ:
> >If CONFIG_LOCKDEP is disabled, then there would be a warning like this:
> >
> >   CC [M]  fs/nfsd/nfs4state.o
> >fs/nfsd/nfs4state.c: In function âfree_clientâ:
> >fs/nfsd/nfs4state.c:1051:19: warning: unused variable ânnâ [-Wunused-variable]
> >
> >So, let's add "maybe_unused" tag to this variable.
> >
> >Signed-off-by: Stanislav Kinsbursky <skinsbursky@xxxxxxxxxxxxx>
> >---
> >  fs/nfsd/nfs4state.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> >
> >diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> >index 8f7362c..739a6c2 100644
> >--- a/fs/nfsd/nfs4state.c
> >+++ b/fs/nfsd/nfs4state.c
> >@@ -1048,7 +1048,7 @@ static struct nfs4_client *alloc_client(struct xdr_netobj name)
> >  static inline void
> >  free_client(struct nfs4_client *clp)
> >  {
> >-	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
> >+	struct nfsd_net __maybe_unused *nn = net_generic(clp->net, nfsd_net_id);
> >
> >  	lockdep_assert_held(&nn->client_lock);
> >  	while (!list_empty(&clp->cl_sessions)) {
> >
> 
> 
> -- 
> Best regards,
> Stanislav Kinsbursky
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