Re: [wpan-next v2 19/27] net: ieee802154: Full PAN management

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lkp@xxxxxxxxx wrote on Thu, 13 Jan 2022 04:46:11 +0800:

> Hi Miquel,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on linus/master]
> [also build test ERROR on v5.16 next-20220112]
> [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]
> 
> url:    https://github.com/0day-ci/linux/commits/Miquel-Raynal/IEEE-802-15-4-scan-support/20220113-013731
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git daadb3bd0e8d3e317e36bc2c1542e86c528665e5
> config: riscv-randconfig-r042-20220112 (https://download.01.org/0day-ci/archive/20220113/202201130436.44AM2OXA-lkp@xxxxxxxxx/config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 244dd2913a43a200f5a6544d424cdc37b771028b)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # install riscv cross compiling tool for clang build
>         # apt-get install binutils-riscv64-linux-gnu
>         # https://github.com/0day-ci/linux/commit/9c8fbd918a704432bbf6cdce1d111e9002c756b4
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Miquel-Raynal/IEEE-802-15-4-scan-support/20220113-013731
>         git checkout 9c8fbd918a704432bbf6cdce1d111e9002c756b4
>         # save the config file to linux build tree
>         mkdir build_dir
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash net/ieee802154/
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> 
> All errors (new ones prefixed by >>):
> 
> >> net/ieee802154/nl802154.c:1613:8: error: implicit declaration of function 'nl802154_prepare_wpan_dev_dump' [-Werror,-Wimplicit-function-declaration]  
>            err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
>                  ^
> >> net/ieee802154/nl802154.c:1637:2: error: implicit declaration of function 'nl802154_finish_wpan_dev_dump' [-Werror,-Wimplicit-function-declaration]  
>            nl802154_finish_wpan_dev_dump(rdev);

These two helpers were defined within the experimental section. I will
move them out of this section now that they have other users than
experimental code.

>            ^
>    net/ieee802154/nl802154.c:1637:2: note: did you mean 'nl802154_prepare_wpan_dev_dump'?
>    net/ieee802154/nl802154.c:1613:8: note: 'nl802154_prepare_wpan_dev_dump' declared here
>            err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);
>                  ^
>    2 errors generated.
> 
> 
> vim +/nl802154_prepare_wpan_dev_dump +1613 net/ieee802154/nl802154.c
> 
>   1605	
>   1606	static int nl802154_dump_pans(struct sk_buff *skb, struct netlink_callback *cb)
>   1607	{
>   1608		struct cfg802154_registered_device *rdev;
>   1609		struct cfg802154_internal_pan *pan;
>   1610		struct wpan_dev *wpan_dev;
>   1611		int err;
>   1612	
> > 1613		err = nl802154_prepare_wpan_dev_dump(skb, cb, &rdev, &wpan_dev);  
>   1614		if (err)
>   1615			return err;
>   1616	
>   1617		spin_lock_bh(&rdev->pan_lock);
>   1618	
>   1619		if (cb->args[2])
>   1620			goto out;
>   1621	
>   1622		cb->seq = rdev->pan_generation;
>   1623	
>   1624		ieee802154_for_each_pan(pan, rdev) {
>   1625			err = nl802154_send_pan_info(skb, cb, cb->nlh->nlmsg_seq,
>   1626						     NLM_F_MULTI, rdev, wpan_dev, pan);
>   1627			if (err < 0)
>   1628				goto out_err;
>   1629		}
>   1630	
>   1631		cb->args[2] = 1;
>   1632	out:
>   1633		err = skb->len;
>   1634	out_err:
>   1635		spin_unlock_bh(&rdev->pan_lock);
>   1636	
> > 1637		nl802154_finish_wpan_dev_dump(rdev);  
>   1638	
>   1639		return err;
>   1640	}
>   1641	
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx


Thanks,
Miquèl



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