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

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Message-Id: <20091231091815.a1ea7e51.rdunlap@xenotime.net>
Date:	Thu, 31 Dec 2009 09:18:15 -0800
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Jeff Layton <jlayton@...hat.com>
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 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.)


---
~Randy
--
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