linux-kernel - Re: [PATCH] sunrpc: fix build-time warning

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Date:	Thu, 31 Dec 2009 20:54:54 -0500
From:	Jeff Layton <jlayton@...hat.com>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Trond Myklebust <trond.myklebust@....uio.no>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org
Subject: Re: [PATCH] sunrpc: fix build-time warning

On Thu, 31 Dec 2009 09:18:15 -0800
Randy Dunlap <rdunlap@...otime.net> wrote:

> On Wed, 30 Dec 2009 21:23:15 -0500 Jeff Layton wrote:
> 
> > Commit 486bad2e40e938cd68fd853b7a9fa3115a9d3a4a introduced this warning
> > at build time on some 32-bit architectures:
> > 
> > net/sunrpc/auth_gss/auth_gss.c: In function 'gss_pipe_downcall':
> > net/sunrpc/auth_gss/auth_gss.c:660: warning: format '%ld' expects type 'long int', but argument 3 has type 'ssize_t
> > 
> > ...fix it by changing the length modifier in the printk.
> > 
> > Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> > Signed-off-by: Jeff Layton <jlayton@...hat.com>
> > ---
> >  net/sunrpc/auth_gss/auth_gss.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
> > index 66cb89c..6de4f91 100644
> > --- a/net/sunrpc/auth_gss/auth_gss.c
> > +++ b/net/sunrpc/auth_gss/auth_gss.c
> > @@ -657,7 +657,7 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
> >  			break;
> >  		default:
> >  			printk(KERN_CRIT "%s: bad return from "
> > -				"gss_fill_context: %ld\n", __func__, err);
> > +				"gss_fill_context: %Zd\n", __func__, err);
> >  			BUG();
> >  		}
> >  		goto err_release_msg;
> > -- 
> 
> I have that almost-same patch in my (unposted) linux-next patch queue,
> so basically, ack, except that we try to use 'z' instead of 'Z' nowadays.
> 
> My quick kernel source tree count is 173 %Z to 966 %z.
> (Please don't anyone start a project of converting %Z to %z.)
> 

If you have a patch queued up for this with the preferred qualifier,
then I'm fine with dropping this one.

Cheers,
-- 
Jeff Layton <jlayton@...hat.com>
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