linux-kernel - Re: [PATCH] mtd: solutionengine.c: fix printk format warnings

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <ca2c8276-2106-6fb1-de8e-ab680f49cab9@cogentembedded.com>
Date:   Sun, 22 Jul 2018 10:54:34 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-mtd@...ts.infradead.org, linux-sh@...r.kernel.org
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>
Subject: Re: [PATCH] mtd: solutionengine.c: fix printk format warnings

Hello!

On 7/21/2018 10:37 PM, Randy Dunlap wrote:

> From: Randy Dunlap <rdunlap@...radead.org>
> 
> Fix 2 printk format warnings (this driver is currently SUPERH only)
> by using "%pap" instead of "%lx".
> (or we could just cast the physical addresses to unsigned int)
> 
> Fixes these build warnings:
> 
> ../drivers/mtd/maps/solutionengine.c: In function 'init_soleng_maps':
> ../include/linux/kern_levels.h:5:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
> ../drivers/mtd/maps/solutionengine.c:62:54: note: format string is defined here
>    printk(KERN_NOTICE "Solution Engine: Flash at 0x%08lx, EPROM at 0x%08lx\n",
>                                                    ~~~~^
>                                                    %08x
> ../include/linux/kern_levels.h:5:18: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
> ../drivers/mtd/maps/solutionengine.c:62:72: note: format string is defined here
>    printk(KERN_NOTICE "Solution Engine: Flash at 0x%08lx, EPROM at 0x%08lx\n",
>                                                                      ~~~~^
>                                                                      %08x
> 
> Cc: David Woodhouse <dwmw2@...radead.org>
> Cc: Brian Norris <computersforpeace@...il.com>
> Cc: Boris Brezillon <boris.brezillon@...tlin.com>
> Cc: Marek Vasut <marek.vasut@...il.com>
> Cc: Richard Weinberger <richard@....at>
> Cc: linux-mtd@...ts.infradead.org
> Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
> Cc: Rich Felker <dalias@...c.org>
> Cc: linux-sh@...r.kernel.org
> 
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> ---
>   drivers/mtd/maps/solutionengine.c |   10 +++++++---
>   1 file changed, 7 insertions(+), 3 deletions(-)
> 
> --- linux-next-20180720.orig/drivers/mtd/maps/solutionengine.c
> +++ linux-next-20180720/drivers/mtd/maps/solutionengine.c
> @@ -59,9 +59,13 @@ static int __init init_soleng_maps(void)
>   			return -ENXIO;
>   		}
>   	}
> -	printk(KERN_NOTICE "Solution Engine: Flash at 0x%08lx, EPROM at 0x%08lx\n",
> -	       soleng_flash_map.phys & 0x1fffffff,
> -	       soleng_eprom_map.phys & 0x1fffffff);
> +	{
> +	resource_size_t fl_phys = soleng_flash_map.phys & 0x1fffffff;
> +	resource_size_t ep_phys = soleng_eprom_map.phys & 0x1fffffff;
> +
> +	printk(KERN_NOTICE "Solution Engine: Flash at 0x%pap, EPROM at 0x%pap\n",
> +	       &fl_phys, &ep_phys);

    Er, what about the indentation?

> +	}
>   	flash_mtd->owner = THIS_MODULE;
>   
>   	eprom_mtd = do_map_probe("map_rom", &soleng_eprom_map);
[...]

MBR, Sergei