linux-kernel - Re: [PATCH] Drivers: block: fixed a code style issue

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Message-ID: <201606290310.SgXbungk%fengguang.wu@intel.com>
Date:	Wed, 29 Jun 2016 03:51:46 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Saidgani Musaev <cpu808694@...il.com>
Cc:	kbuild-all@...org, ming.lei@...onical.com,
	linux-kernel@...r.kernel.org, Saidgani Musaev <cpu808694@...il.com>
Subject: Re: [PATCH] Drivers: block: fixed a code style issue

Hi,

[auto build test WARNING on v4.7-rc5]
[also build test WARNING on next-20160628]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Saidgani-Musaev/Drivers-block-fixed-a-code-style-issue/20160629-025927
config: m68k-sun3_defconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=m68k 

All warnings (new ones prefixed by >>):

   drivers/block/loop.c: In function 'max_loop_setup':
>> drivers/block/loop.c:2055:13: warning: passing argument 2 of 'kstrtol' makes integer from pointer without a cast
     max_loop = kstrtol(str, NULL, 0);
                ^
   In file included from include/linux/list.h:8:0,
                    from include/linux/module.h:9,
                    from drivers/block/loop.c:52:
   include/linux/kernel.h:327:32: note: expected 'unsigned int' but argument is of type 'void *'
    static inline int __must_check kstrtol(const char *s, unsigned int base, long *res)
                                   ^

vim +/kstrtol +2055 drivers/block/loop.c

  2039	
  2040		idr_for_each(&loop_index_idr, &loop_exit_cb, NULL);
  2041		idr_destroy(&loop_index_idr);
  2042	
  2043		blk_unregister_region(MKDEV(LOOP_MAJOR, 0), range);
  2044		unregister_blkdev(LOOP_MAJOR, "loop");
  2045	
  2046		misc_deregister(&loop_misc);
  2047	}
  2048	
  2049	module_init(loop_init);
  2050	module_exit(loop_exit);
  2051	
  2052	#ifndef MODULE
  2053	static int __init max_loop_setup(char *str)
  2054	{
> 2055		max_loop = kstrtol(str, NULL, 0);
  2056		return 1;
  2057	}
  2058	
  2059	__setup("max_loop=", max_loop_setup);
  2060	#endif

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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