linux-kernel - Re: [PATCH 1/2] Staging: wlan-ng: removed prototype of p80211_stt

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Date:	Wed, 16 Mar 2016 03:44:34 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Claudiu Beznea <claudiu.beznea@...il.com>
Cc:	kbuild-all@...org, gregkh@...uxfoundation.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] Staging: wlan-ng: removed prototype of
 p80211_stt_findproto() from this file.

Hi Claudiu,

[auto build test ERROR on staging/staging-testing]
[also build test ERROR on v4.5 next-20160315]
[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/Claudiu-Beznea/Staging-wlan-ng-removed-prototype-of-p80211_stt_findproto-from-this-file/20160316-032739
config: xtensa-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=xtensa 

Note: the linux-review/Claudiu-Beznea/Staging-wlan-ng-removed-prototype-of-p80211_stt_findproto-from-this-file/20160316-032739 HEAD 5518803294d6e4fcd6c066edb94cc30d04949bdb builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/staging/wlan-ng/p80211conv.c: In function 'skb_ether_to_p80211':
>> drivers/staging/wlan-ng/p80211conv.c:156:8: error: implicit declaration of function 'p80211_stt_findproto' [-Werror=implicit-function-declaration]
           p80211_stt_findproto(proto)) {
           ^
   drivers/staging/wlan-ng/p80211conv.c: At top level:
>> drivers/staging/wlan-ng/p80211conv.c:528:5: error: conflicting types for 'p80211_stt_findproto'
    int p80211_stt_findproto(u16 proto)
        ^
   drivers/staging/wlan-ng/p80211conv.c:529:1: note: an argument type that has a default promotion can't match an empty parameter name list declaration
    {
    ^
   drivers/staging/wlan-ng/p80211conv.c:156:8: note: previous implicit declaration of 'p80211_stt_findproto' was here
           p80211_stt_findproto(proto)) {
           ^
   cc1: some warnings being treated as errors

vim +/p80211_stt_findproto +156 drivers/staging/wlan-ng/p80211conv.c

00b3ed16 Greg Kroah-Hartman 2008-10-02  150  			/* tack on SNAP */
82eaca7d Moritz Muehlenhoff 2009-02-08  151  			e_snap =
4eb28f71 Johan Meiring      2010-11-06  152  			    (struct wlan_snap *)skb_push(skb,
4eb28f71 Johan Meiring      2010-11-06  153  				sizeof(struct wlan_snap));
00b3ed16 Greg Kroah-Hartman 2008-10-02  154  			e_snap->type = htons(proto);
25845388 Pranjal Bhor       2016-01-19  155  			if (ethconv == WLAN_ETHCONV_8021h &&
25845388 Pranjal Bhor       2016-01-19 @156  			    p80211_stt_findproto(proto)) {
82eaca7d Moritz Muehlenhoff 2009-02-08  157  				memcpy(e_snap->oui, oui_8021h,
82eaca7d Moritz Muehlenhoff 2009-02-08  158  				       WLAN_IEEE_OUI_LEN);
00b3ed16 Greg Kroah-Hartman 2008-10-02  159  			} else {

:::::: The code at line 156 was first introduced by commit
:::::: 2584538807926344e713548e5210bded8ed22011 staging: wlan-ng: Logical continuation fixes

:::::: TO: Pranjal Bhor <bhor.pranjal@...il.com>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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