[PATCH] staging: rtl8192u: check return value of read_nic_word_E

[kbuild test robot]

Hi Salah,

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v4.5-rc6 next-20160303]
[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/Salah-Triki/staging-rtl8192u-check-return-value-of-read_nic_word_E/20160304-093832
config: sparc64-allyesconfig (attached as .config)
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=sparc64 

All warnings (new ones prefixed by >>):

   drivers/staging/rtl8192u/r8192U_core.c: In function 'rtl8192_read_eeprom_info':
   drivers/staging/rtl8192u/r8192U_core.c:2496:8: warning: unused variable 'tmp' [-Wunused-variable]
       u16 tmp = 0;
           ^
>> drivers/staging/rtl8192u/r8192U_core.c:2707:1: warning: control reaches end of non-void function [-Wreturn-type]
    }
    ^

vim +2707 drivers/staging/rtl8192u/r8192U_core.c

8fc8598e Jerry Chuang     2009-11-03  2691  		break;
8fc8598e Jerry Chuang     2009-11-03  2692  
8fc8598e Jerry Chuang     2009-11-03  2693  	}
8fc8598e Jerry Chuang     2009-11-03  2694  
8fc8598e Jerry Chuang     2009-11-03  2695  
cf47ca02 Raphaël Beamonte 2015-08-18  2696  	if (priv->rf_type == RF_1T2R)
8fc8598e Jerry Chuang     2009-11-03  2697  		RT_TRACE(COMP_EPROM, "\n1T2R config\n");
cf47ca02 Raphaël Beamonte 2015-08-18  2698  	else
8fc8598e Jerry Chuang     2009-11-03  2699  		RT_TRACE(COMP_EPROM, "\n2T4R config\n");
8fc8598e Jerry Chuang     2009-11-03  2700  
14285c1f Raphaël Beamonte 2015-08-18  2701  	/* We can only know RF type in the function. So we have to init
14285c1f Raphaël Beamonte 2015-08-18  2702  	 * DIG RATR table again.
14285c1f Raphaël Beamonte 2015-08-18  2703  	 */
8fc8598e Jerry Chuang     2009-11-03  2704  	init_rate_adaptive(dev);
8fc8598e Jerry Chuang     2009-11-03  2705  
5b3b215b Xenia Ragiadakou 2013-05-23  2706  	RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
8fc8598e Jerry Chuang     2009-11-03 @2707  }
8fc8598e Jerry Chuang     2009-11-03  2708  
f4c6074a Ana Rey          2014-03-13  2709  static short rtl8192_get_channel_map(struct net_device *dev)
8fc8598e Jerry Chuang     2009-11-03  2710  {
8fc8598e Jerry Chuang     2009-11-03  2711  	struct r8192_priv *priv = ieee80211_priv(dev);
7b25c24e Raphaël Beamonte 2015-08-18  2712  
8fc8598e Jerry Chuang     2009-11-03  2713  	if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
069b3162 Raphaël Beamonte 2015-09-20  2714  		netdev_err(dev,
069b3162 Raphaël Beamonte 2015-09-20  2715  			   "rtl8180_init: Error channel plan! Set to default.\n");

:::::: The code at line 2707 was first introduced by commit
:::::: 8fc8598e61f6f384f3eaf1d9b09500c12af47b37 Staging: Added Realtek rtl8192u driver to staging

:::::: TO: Jerry Chuang <jerry-chuang at realtek.com>
:::::: CC: Greg Kroah-Hartman <gregkh at suse.de>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/octet-stream
Size: 45184 bytes
Desc: not available
URL: <http://driverdev.linuxdriverproject.org/pipermail/driverdev-devel/attachments/20160304/e083a0d9/attachment-0003.obj>