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Date: Wed, 8 May 2024 07:08:43 +0800
From: kernel test robot <lkp@intel.com>
To: Maxime Chevallier <maxime.chevallier@bootlin.com>, davem@davemloft.net
Cc: oe-kbuild-all@lists.linux.dev,
	Maxime Chevallier <maxime.chevallier@bootlin.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	thomas.petazzoni@bootlin.com, Andrew Lunn <andrew@lunn.ch>,
	Jakub Kicinski <kuba@kernel.org>,
	Eric Dumazet <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>,
	Russell King <linux@armlinux.org.uk>,
	linux-arm-kernel@lists.infradead.org,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Herve Codina <herve.codina@bootlin.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Vladimir Oltean <vladimir.oltean@nxp.com>,
	=?iso-8859-1?Q?K=F6ry?= Maincent <kory.maincent@bootlin.com>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Marek =?iso-8859-1?Q?Beh=FAn?= <kabel@kernel.org>,
	Piergiorgio Beruto <piergiorgio.beruto@gmail.com>,
	Oleksij Rempel <o.rempel@pengutronix.de>,
	=?iso-8859-1?Q?Nicol=F2?= Veronese <nicveronese@gmail.com>,
	Simon Horman <horms@kernel.org>, mwojtas@chromium.org,
	Nathan Chancellor <nathan@kernel.org>,
	Antoine Tenart <atenart@kernel.org>
Subject: Re: [PATCH net-next 2/2] net: phy: phy_link_topology:
 Lazy-initialize the link topology
Message-ID: <202405080732.pSwJSarc-lkp@intel.com>
References: <20240507102822.2023826-3-maxime.chevallier@bootlin.com>
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In-Reply-To: <20240507102822.2023826-3-maxime.chevallier@bootlin.com>

Hi Maxime,

kernel test robot noticed the following build warnings:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Maxime-Chevallier/net-phy-phy_link_topology-Pass-netdevice-to-phy_link_topo-helpers/20240507-183130
base:   net-next/main
patch link:    https://lore.kernel.org/r/20240507102822.2023826-3-maxime.chevallier%40bootlin.com
patch subject: [PATCH net-next 2/2] net: phy: phy_link_topology: Lazy-initialize the link topology
config: parisc-defconfig (https://download.01.org/0day-ci/archive/20240508/202405080732.pSwJSarc-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240508/202405080732.pSwJSarc-lkp@intel.com/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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405080732.pSwJSarc-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> net/core/dev.c:10276:13: warning: 'netdev_free_phy_link_topology' defined but not used [-Wunused-function]
   10276 | static void netdev_free_phy_link_topology(struct net_device *dev)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/netdev_free_phy_link_topology +10276 net/core/dev.c

 10275	
 10276	static void netdev_free_phy_link_topology(struct net_device *dev)
 10277	{
 10278		struct phy_link_topology *topo = dev->link_topo;
 10279	
 10280		if (!topo)
 10281			return;
 10282	
 10283		xa_destroy(&topo->phys);
 10284		kfree(topo);
 10285		dev->link_topo = NULL;
 10286	}
 10287	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki