Subject: Re: [PATCH wpan-next v3 11/11] ieee802154: Give the user the association list

From: kernel test robot <[email-masked]>
Date: Tue, 19 Sep 2023 11:10:44 +0800

Hi Miquel,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]
[also build test ERROR on net/main linus/master v6.6-rc2 next-20230918]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Miquel-Raynal/ieee802154-Let-PAN-IDs-be-reset/20230919-002634
base:   net-next/main
patch link:    https://lore.kernel.org/r/20230918150809.275058-12-miquel.raynal%40bootlin.com
patch subject: [PATCH wpan-next v3 11/11] ieee802154: Give the user the association list
config: powerpc64-randconfig-001-20230919 (https://download.01.org/0day-ci/archive/20230919/[email-masked]/config)
compiler: powerpc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230919/[email-masked]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All errors (new ones prefixed by >>):

   net/ieee802154/nl802154.c: In function 'nl802154_list_associations':
>> net/ieee802154/nl802154.c:1778:15: error: implicit declaration of function 'nl802154_prepare_wpan_dev_dump' [-Werror=implicit-function-declaration]
    1778 |         err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
         |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> net/ieee802154/nl802154.c:1811:9: error: implicit declaration of function 'nl802154_finish_wpan_dev_dump' [-Werror=implicit-function-declaration]
    1811 |         nl802154_finish_wpan_dev_dump(rdev);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/nl802154_prepare_wpan_dev_dump +1778 net/ieee802154/nl802154.c

  1769	
  1770	static int nl802154_list_associations(struct sk_buff *skb,
  1771					      struct netlink_callback *cb)
  1772	{
  1773		struct cfg802154_registered_device *rdev;
  1774		struct ieee802154_pan_device *child;
  1775		struct wpan_dev *wpan_dev;
  1776		int err;
  1777	
> 1778		err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
  1779		if (err)
  1780			return err;
  1781	
  1782		mutex_lock(&wpan_dev->association_lock);
  1783	
  1784		if (cb->args[2])
  1785			goto out;
  1786	
  1787		if (wpan_dev->parent) {
  1788			err = nl802154_send_peer_info(skb, cb, cb->nlh->nlmsg_seq,
  1789						      NLM_F_MULTI, rdev, wpan_dev,
  1790						      wpan_dev->parent,
  1791						      NL802154_PEER_TYPE_PARENT);
  1792			if (err < 0)
  1793				goto out_err;
  1794		}
  1795	
  1796		list_for_each_entry(child, &wpan_dev->children, node) {
  1797			err = nl802154_send_peer_info(skb, cb, cb->nlh->nlmsg_seq,
  1798						      NLM_F_MULTI, rdev, wpan_dev,
  1799						      child,
  1800						      NL802154_PEER_TYPE_CHILD);
  1801			if (err < 0)
  1802				goto out_err;
  1803		}
  1804	
  1805		cb->args[2] = 1;
  1806	out:
  1807		err = skb->len;
  1808	out_err:
  1809		mutex_unlock(&wpan_dev->association_lock);
  1810	
> 1811		nl802154_finish_wpan_dev_dump(rdev);
  1812	
  1813		return err;
  1814	}
  1815	

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