netdev - [net-next:master 2181/2226] htmldocs: net/core/dev.c:6865: warning: No description found for parameter 'extack'

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Date:   Tue, 2 May 2017 05:58:37 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org
Subject: [net-next:master 2181/2226] htmldocs: net/core/dev.c:6865: warning:
 No description found for parameter 'extack'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   5b8481fa42ac58484d633b558579e302aead64c1
commit: ddf9f970764f4390aba767e77fddaaced4a6760d [2181/2226] xdp: propagate extended ack to XDP setup
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   include/net/sock.h:476: warning: No description found for parameter 'sk_tsq_flags'
   include/net/sock.h:476: warning: No description found for parameter '__sk_flags_offset[0]'
   include/net/sock.h:476: warning: No description found for parameter 'sk_uid'
>> net/core/dev.c:6865: warning: No description found for parameter 'extack'
>> net/core/dev.c:6865: warning: Excess function parameter 'extact' description in 'dev_change_xdp_fd'
   drivers/net/phy/phy.c:259: warning: No description found for parameter 'features'
   drivers/net/phy/phy.c:259: warning: Excess function parameter 'feature' description in 'phy_lookup_setting'
   drivers/net/phy/phy.c:259: warning: No description found for parameter 'features'
   drivers/net/phy/phy.c:259: warning: Excess function parameter 'feature' description in 'phy_lookup_setting'

vim +/extack +6865 net/core/dev.c

d746d707 Anuradha Karuppiah 2015-07-14  6849  		return -ENODEV;
d746d707 Anuradha Karuppiah 2015-07-14  6850  	return ops->ndo_change_proto_down(dev, proto_down);
d746d707 Anuradha Karuppiah 2015-07-14  6851  }
d746d707 Anuradha Karuppiah 2015-07-14  6852  EXPORT_SYMBOL(dev_change_proto_down);
d746d707 Anuradha Karuppiah 2015-07-14  6853  
d746d707 Anuradha Karuppiah 2015-07-14  6854  /**
a7862b45 Brenden Blanco     2016-07-19  6855   *	dev_change_xdp_fd - set or clear a bpf program for a device rx path
a7862b45 Brenden Blanco     2016-07-19  6856   *	@dev: device
ddf9f970 Jakub Kicinski     2017-04-30  6857   *	@extact: netlink extended ack
a7862b45 Brenden Blanco     2016-07-19  6858   *	@fd: new program fd or negative value to clear
85de8576 Daniel Borkmann    2016-11-28  6859   *	@flags: xdp-related flags
a7862b45 Brenden Blanco     2016-07-19  6860   *
a7862b45 Brenden Blanco     2016-07-19  6861   *	Set or clear a bpf program for a device
a7862b45 Brenden Blanco     2016-07-19  6862   */
ddf9f970 Jakub Kicinski     2017-04-30  6863  int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
ddf9f970 Jakub Kicinski     2017-04-30  6864  		      int fd, u32 flags)
a7862b45 Brenden Blanco     2016-07-19 @6865  {
b5cdae32 David S. Miller    2017-04-18  6866  	int (*xdp_op)(struct net_device *dev, struct netdev_xdp *xdp);
a7862b45 Brenden Blanco     2016-07-19  6867  	const struct net_device_ops *ops = dev->netdev_ops;
a7862b45 Brenden Blanco     2016-07-19  6868  	struct bpf_prog *prog = NULL;
85de8576 Daniel Borkmann    2016-11-28  6869  	struct netdev_xdp xdp;
a7862b45 Brenden Blanco     2016-07-19  6870  	int err;
a7862b45 Brenden Blanco     2016-07-19  6871  
85de8576 Daniel Borkmann    2016-11-28  6872  	ASSERT_RTNL();
85de8576 Daniel Borkmann    2016-11-28  6873  

:::::: The code at line 6865 was first introduced by commit
:::::: a7862b45849fe2f8610a2bec89235580f55d337f net: add ndo to setup/query xdp prog in adapter rx

:::::: TO: Brenden Blanco <bblanco@...mgrid.com>
:::::: CC: David S. Miller <davem@...emloft.net>

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