linux-kernel - Re: [PATCH] mwifiex: Reduce endian conversion for REG Host Commands

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Date:	Tue, 21 Jun 2016 22:55:33 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Prasun Maiti <prasunmaiti87@...il.com>
Cc:	kbuild-all@...org, Amitkumar Karwar <akarwar@...vell.com>,
	Nishant Sarmukadam <nishants@...vell.com>,
	Linux Wireless <linux-wireless@...r.kernel.org>,
	Linux Next <linux-next@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Kalle Valo <kvalo@...eaurora.org>
Subject: Re: [PATCH] mwifiex: Reduce endian conversion for REG Host Commands

Hi,

[auto build test WARNING on wireless-drivers-next/master]
[also build test WARNING on v4.7-rc4 next-20160621]
[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/Prasun-Maiti/mwifiex-Reduce-endian-conversion-for-REG-Host-Commands/20160621-224149
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master
config: tile-allyesconfig (attached as .config)
compiler: tilegx-linux-gcc (GCC) 4.6.2
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=tile 

All warnings (new ones prefixed by >>):

   drivers/net/wireless/marvell/mwifiex/sta_ioctl.c: In function 'mwifiex_eeprom_read':
>> drivers/net/wireless/marvell/mwifiex/sta_ioctl.c:1339:34: warning: comparison of distinct pointer types lacks a cast [enabled by default]
--
   drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c: In function 'mwifiex_ret_reg_access':
>> drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c:821:6: warning: comparison of distinct pointer types lacks a cast [enabled by default]

vim +1339 drivers/net/wireless/marvell/mwifiex/sta_ioctl.c

  1323	 */
  1324	int
  1325	mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
  1326			    u8 *value)
  1327	{
  1328		int ret;
  1329		struct mwifiex_ds_read_eeprom rd_eeprom;
  1330	
  1331		rd_eeprom.offset =  offset;
  1332		rd_eeprom.byte_count = bytes;
  1333	
  1334		/* Send request to firmware */
  1335		ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
  1336				       HostCmd_ACT_GEN_GET, 0, &rd_eeprom, true);
  1337	
  1338		if (!ret)
> 1339			memcpy(value, rd_eeprom.value, min(MAX_EEPROM_DATA,
  1340						rd_eeprom.byte_count));
  1341		return ret;
  1342	}
  1343	
  1344	/*
  1345	 * This function sets a generic IE. In addition to generic IE, it can
  1346	 * also handle WPA, WPA2 and WAPI IEs.
  1347	 */

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

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