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

From: Randy Dunlap
Date: Thu Dec 31 2009 - 12:18:17 EST


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@xxxxxxxxxxxxxxxx>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> ---
> 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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