linux-kernel - Re: [PATCH 08/13] eeprom: at24: call read and write routines via function pointers

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Date:	Thu, 24 Mar 2016 23:12:41 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:	kbuild-all@...org, Wolfram Sang <wsa@...-dreams.de>,
	linux-i2c <linux-i2c@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Lunn <andrew@...n.ch>,
	Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 08/13] eeprom: at24: call read and write routines via
 function pointers

Hi Bartosz,

[auto build test ERROR on next-20160324]
[cannot apply to v4.5-rc7 v4.5-rc6 v4.5-rc5 v4.5]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Bartosz-Golaszewski/eeprom-support-for-at24cs-and-at24mac/20160324-230008
config: x86_64-randconfig-x012-201612 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/misc/eeprom/at24.c: In function 'at24_probe':
>> drivers/misc/eeprom/at24.c:617:18: error: assignment from incompatible pointer type [-Werror=incompatible-pointer-types]
     at24->read_func = at24_read;
                     ^
   drivers/misc/eeprom/at24.c:618:19: error: assignment from incompatible pointer type [-Werror=incompatible-pointer-types]
     at24->write_func = at24_write;
                      ^
   cc1: some warnings being treated as errors

vim +617 drivers/misc/eeprom/at24.c

   611		mutex_init(&at24->wrbuf_lock);
   612		at24->use_smbus = use_smbus;
   613		at24->use_smbus_write = use_smbus_write;
   614		at24->chip = chip;
   615		at24->num_addresses = num_addresses;
   616	
 > 617		at24->read_func = at24_read;
   618		at24->write_func = at24_write;
   619	
   620		writable = !(chip.flags & AT24_FLAG_READONLY);

---
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