From: Joe Perches <joe@perches.com>
To: Kees Cook <kees.cook@canonical.com>
Cc: linux-kernel@vger.kernel.org,
Rusty Russell <rusty@rustcorp.com.au>, Tejun Heo <tj@kernel.org>,
Marcus Meissner <meissner@suse.de>,
Jason Wessel <jason.wessel@windriver.com>,
Eugene Teo <eugeneteo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Bjorn Helgaas <bjorn.helgaas@hp.com>,
Len Brown <len.brown@intel.com>, Changli Gao <xiaosuo@gmail.com>,
Dan Rosenberg <drosenberg@vsecurity.com>
Subject: Re: [PATCH] use %pK for /proc/kallsyms and /proc/modules
Date: Wed, 26 Jan 2011 16:15:09 -0800 [thread overview]
Message-ID: <1296087309.2448.33.camel@Joe-Laptop> (raw)
In-Reply-To: <20110125181058.GA25670@outflux.net>
On Tue, 2011-01-25 at 10:10 -0800, Kees Cook wrote:
> Note that when compiling with -Wformat, these harmless warnings will
> be emitted, and can be ignored:
> warning: '0' flag used with ‘%p’ gnu_printf format
> diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
[]
> @@ -477,11 +477,11 @@ static int s_show(struct seq_file *m, void *p)
> */
> type = iter->exported ? toupper(iter->type) :
> tolower(iter->type);
> - seq_printf(m, "%0*lx %c %s\t[%s]\n",
> + seq_printf(m, "%0*pK %c %s\t[%s]\n",
> (int)(2 * sizeof(void *)),
> iter->value, type, iter->name, iter->module_name);
You can change this to
seq_printf(m, "%pK %c %s\t[%s]\n",
iter->value, type, iter->name, iter->module_name);
as that's the normal size.
Presto. No warnings. Same output.
> } else
> - seq_printf(m, "%0*lx %c %s\n",
> + seq_printf(m, "%0*pK %c %s\n",
> (int)(2 * sizeof(void *)),
Here too.
next prev parent reply other threads:[~2011-01-27 0:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-25 18:10 [PATCH] use %pK for /proc/kallsyms and /proc/modules Kees Cook
2011-01-26 23:57 ` Andrew Morton
2011-01-27 0:29 ` Kees Cook
2011-01-27 0:46 ` Andrew Morton
2011-01-27 1:30 ` Kees Cook
2011-01-27 0:15 ` Joe Perches [this message]
2011-01-27 0:28 ` Kees Cook
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