netdev - Re: [PATCH net-next] vlan: implement vlan id and protocol changes

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Message-ID: <201806110745.56yJ4p1H%fengguang.wu@intel.com>
Date:   Mon, 11 Jun 2018 08:15:12 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Chas Williams <3chas3@...il.com>
Cc:     kbuild-all@...org, davem@...emloft.net, netdev@...r.kernel.org,
        "Charles (Chas) Williams" <ciwillia@...l.eng.vyatta.net>,
        Chas Williams <3chas3@...il.com>
Subject: Re: [PATCH net-next] vlan: implement vlan id and protocol changes

Hi Charles,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Chas-Williams/vlan-implement-vlan-id-and-protocol-changes/20180611-072123
config: parisc-c3000_defconfig (attached as .config)
compiler: hppa-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=parisc 

All warnings (new ones prefixed by >>):

   net/core/dev.c: In function 'netdev_cmd_to_name':
>> net/core/dev.c:1580:2: warning: enumeration value 'NETDEV_CHANGEVLAN' not handled in switch [-Wswitch]
     switch (cmd) {
     ^~~~~~

vim +/NETDEV_CHANGEVLAN +1580 net/core/dev.c

56f5aa77 Michael Chan 2017-12-16  1574  
ede2762d Kirill Tkhai 2018-03-23  1575  const char *netdev_cmd_to_name(enum netdev_cmd cmd)
ede2762d Kirill Tkhai 2018-03-23  1576  {
ede2762d Kirill Tkhai 2018-03-23  1577  #define N(val) 						\
ede2762d Kirill Tkhai 2018-03-23  1578  	case NETDEV_##val:				\
ede2762d Kirill Tkhai 2018-03-23  1579  		return "NETDEV_" __stringify(val);
ede2762d Kirill Tkhai 2018-03-23 @1580  	switch (cmd) {
ede2762d Kirill Tkhai 2018-03-23  1581  	N(UP) N(DOWN) N(REBOOT) N(CHANGE) N(REGISTER) N(UNREGISTER)
ede2762d Kirill Tkhai 2018-03-23  1582  	N(CHANGEMTU) N(CHANGEADDR) N(GOING_DOWN) N(CHANGENAME) N(FEAT_CHANGE)
ede2762d Kirill Tkhai 2018-03-23  1583  	N(BONDING_FAILOVER) N(PRE_UP) N(PRE_TYPE_CHANGE) N(POST_TYPE_CHANGE)
ede2762d Kirill Tkhai 2018-03-23  1584  	N(POST_INIT) N(RELEASE) N(NOTIFY_PEERS) N(JOIN) N(CHANGEUPPER)
ede2762d Kirill Tkhai 2018-03-23  1585  	N(RESEND_IGMP) N(PRECHANGEMTU) N(CHANGEINFODATA) N(BONDING_INFO)
ede2762d Kirill Tkhai 2018-03-23  1586  	N(PRECHANGEUPPER) N(CHANGELOWERSTATE) N(UDP_TUNNEL_PUSH_INFO)
ede2762d Kirill Tkhai 2018-03-23  1587  	N(UDP_TUNNEL_DROP_INFO) N(CHANGE_TX_QUEUE_LEN)
9daae9bd Gal Pressman 2018-03-28  1588  	N(CVLAN_FILTER_PUSH_INFO) N(CVLAN_FILTER_DROP_INFO)
9daae9bd Gal Pressman 2018-03-28  1589  	N(SVLAN_FILTER_PUSH_INFO) N(SVLAN_FILTER_DROP_INFO)
3f5ecd8a Kirill Tkhai 2018-04-26  1590  	}
ede2762d Kirill Tkhai 2018-03-23  1591  #undef N
ede2762d Kirill Tkhai 2018-03-23  1592  	return "UNKNOWN_NETDEV_EVENT";
ede2762d Kirill Tkhai 2018-03-23  1593  }
ede2762d Kirill Tkhai 2018-03-23  1594  EXPORT_SYMBOL_GPL(netdev_cmd_to_name);
ede2762d Kirill Tkhai 2018-03-23  1595  

:::::: The code at line 1580 was first introduced by commit
:::::: ede2762d93ff16e0974f7446516b46b1022db213 net: Make NETDEV_XXX commands enum { }

:::::: TO: Kirill Tkhai <ktkhai@...tuozzo.com>
:::::: CC: David S. Miller <davem@...emloft.net>

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