linux-kernel - Re: drivers/mmc/host/tmio_mmc.c:177 tmio_mmc_probe() warn: argument 3 to %08lx specifier is cast from pointer

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Message-ID: <20201116164351.GA44776@kozik-lap>
Date:   Mon, 16 Nov 2020 17:43:51 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     kbuild@...ts.01.org, lkp@...el.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>
Subject: Re: drivers/mmc/host/tmio_mmc.c:177 tmio_mmc_probe() warn: argument
 3 to %08lx specifier is cast from pointer

On Mon, Nov 16, 2020 at 12:22:36PM +0300, Dan Carpenter wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   f01c30de86f1047e9bae1b1b1417b0ce8dcd15b1
> commit: 54d8454436a205682bd89d66d8d9eedbc8452d15 mmc: host: Enable compile testing of multiple drivers
> config: arm64-randconfig-m031-20201113 (attached as .config)
> compiler: aarch64-linux-gcc (GCC) 9.3.0
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> 
> smatch warnings:
> drivers/mmc/host/tmio_mmc.c:177 tmio_mmc_probe() warn: argument 3 to %08lx specifier is cast from pointer
> 
> vim +177 drivers/mmc/host/tmio_mmc.c
> 
> 94b110aff8679b1 Kuninori Morimoto     2015-01-13  170  
> de501af98dfab9c Ian Molton            2015-04-27  171  	ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_irq,
> de501af98dfab9c Ian Molton            2015-04-27  172  			       IRQF_TRIGGER_FALLING,
> d9618e9f1a057ef Yong Zhang            2011-09-22  173  			       dev_name(&pdev->dev), host);
> 8e7bfdb37ac001c Magnus Damm           2011-05-06  174  	if (ret)
> 8e7bfdb37ac001c Magnus Damm           2011-05-06  175  		goto host_remove;
> 8e7bfdb37ac001c Magnus Damm           2011-05-06  176  
> 311f3ac76826bfd Guennadi Liakhovetski 2010-05-19 @177  	pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
>                                                                        ^^^^^^^
> These are supposed to be %p so that the kernel can hide them and avoid
> showing kernel pointers to user space.

Thanks, I sent a patch.

Best regards,
Krzysztof