linux-kernel - 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: <20201116092236.GT29398@kadam>
Date:   Mon, 16 Nov 2020 12:22:36 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     kbuild@...ts.01.org, Krzysztof Kozlowski <krzk@...nel.org>
Cc:     lkp@...el.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>
Subject: drivers/mmc/host/tmio_mmc.c:177 tmio_mmc_probe() warn: argument 3 to
 %08lx specifier is cast from pointer

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.

8e7bfdb37ac001c Magnus Damm           2011-05-06  178  		(unsigned long)host->ctl, irq);
4a48998fa16121d Ian Molton            2008-07-15  179  
4a48998fa16121d Ian Molton            2008-07-15  180  	return 0;
4a48998fa16121d Ian Molton            2008-07-15  181  
8e7bfdb37ac001c Magnus Damm           2011-05-06  182  host_remove:
8e7bfdb37ac001c Magnus Damm           2011-05-06  183  	tmio_mmc_host_remove(host);
94b110aff8679b1 Kuninori Morimoto     2015-01-13  184  host_free:
94b110aff8679b1 Kuninori Morimoto     2015-01-13  185  	tmio_mmc_host_free(host);
7ee422dc6e947fc Magnus Damm           2010-02-17  186  cell_disable:
7ee422dc6e947fc Magnus Damm           2010-02-17  187  	if (cell->disable)
b6147490e6aac82 Guennadi Liakhovetski 2011-03-23  188  		cell->disable(pdev);
4a48998fa16121d Ian Molton            2008-07-15  189  out:
4a48998fa16121d Ian Molton            2008-07-15  190  	return ret;
4a48998fa16121d Ian Molton            2008-07-15  191  }

---
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