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Date: Tue, 10 Oct 2023 03:56:47 +0800
From: kernel test robot <lkp@...el.com>
To: Köry Maincent <kory.maincent@...tlin.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Jonathan Corbet <corbet@....net>,
Jay Vosburgh <j.vosburgh@...il.com>,
Andy Gospodarek <andy@...yhouse.net>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Claudiu Beznea <claudiu.beznea@...on.dev>,
Horatiu Vultur <horatiu.vultur@...rochip.com>,
UNGLinuxDriver@...rochip.com,
Florian Fainelli <florian.fainelli@...adcom.com>,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
Richard Cochran <richardcochran@...il.com>,
Radu Pirea <radu-nicolae.pirea@....nxp.com>,
Willem de Bruijn <willemdebruijn.kernel@...il.com>,
Vladimir Oltean <vladimir.oltean@....com>,
Michael Walle <michael@...le.cc>,
Jacob Keller <jacob.e.keller@...el.com>,
Maxime Chevallier <maxime.chevallier@...tlin.com>,
Kory Maincent <kory.maincent@...tlin.com>
Subject: Re: [PATCH net-next v5 03/16] net: ethtool: Refactor identical
get_ts_info implementations.
Hi Köry,
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/K-ry-Maincent/net-Convert-PHYs-hwtstamp-callback-to-use-kernel_hwtstamp_config/20231009-235451
base: net-next/main
patch link: https://lore.kernel.org/r/20231009155138.86458-4-kory.maincent%40bootlin.com
patch subject: [PATCH net-next v5 03/16] net: ethtool: Refactor identical get_ts_info implementations.
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20231010/202310100344.QG4Jg301-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231010/202310100344.QG4Jg301-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310100344.QG4Jg301-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/bonding/bond_main.c: In function 'bond_ethtool_get_ts_info':
>> drivers/net/bonding/bond_main.c:5755:28: warning: unused variable 'phydev' [-Wunused-variable]
5755 | struct phy_device *phydev;
| ^~~~~~
>> drivers/net/bonding/bond_main.c:5752:35: warning: unused variable 'ops' [-Wunused-variable]
5752 | const struct ethtool_ops *ops;
| ^~~
vim +/phydev +5755 drivers/net/bonding/bond_main.c
217df670d9a4da Jay Vosburgh 2005-09-26 5746
94dd016ae538b1 Hangbin Liu 2021-11-30 5747 static int bond_ethtool_get_ts_info(struct net_device *bond_dev,
94dd016ae538b1 Hangbin Liu 2021-11-30 5748 struct ethtool_ts_info *info)
94dd016ae538b1 Hangbin Liu 2021-11-30 5749 {
94dd016ae538b1 Hangbin Liu 2021-11-30 5750 struct bonding *bond = netdev_priv(bond_dev);
980f0799a15c75 Hangbin Liu 2023-04-18 5751 struct ethtool_ts_info ts_info;
94dd016ae538b1 Hangbin Liu 2021-11-30 @5752 const struct ethtool_ops *ops;
94dd016ae538b1 Hangbin Liu 2021-11-30 5753 struct net_device *real_dev;
980f0799a15c75 Hangbin Liu 2023-04-18 5754 bool sw_tx_support = false;
94dd016ae538b1 Hangbin Liu 2021-11-30 @5755 struct phy_device *phydev;
980f0799a15c75 Hangbin Liu 2023-04-18 5756 struct list_head *iter;
980f0799a15c75 Hangbin Liu 2023-04-18 5757 struct slave *slave;
9b80ccda233fa6 Hangbin Liu 2022-05-19 5758 int ret = 0;
94dd016ae538b1 Hangbin Liu 2021-11-30 5759
9b80ccda233fa6 Hangbin Liu 2022-05-19 5760 rcu_read_lock();
94dd016ae538b1 Hangbin Liu 2021-11-30 5761 real_dev = bond_option_active_slave_get_rcu(bond);
9b80ccda233fa6 Hangbin Liu 2022-05-19 5762 dev_hold(real_dev);
9b80ccda233fa6 Hangbin Liu 2022-05-19 5763 rcu_read_unlock();
9b80ccda233fa6 Hangbin Liu 2022-05-19 5764
94dd016ae538b1 Hangbin Liu 2021-11-30 5765 if (real_dev) {
59b068fe2f41f9 Richard Cochran 2023-10-09 5766 ret = ethtool_get_ts_info_by_layer(real_dev, info);
980f0799a15c75 Hangbin Liu 2023-04-18 5767 } else {
980f0799a15c75 Hangbin Liu 2023-04-18 5768 /* Check if all slaves support software tx timestamping */
980f0799a15c75 Hangbin Liu 2023-04-18 5769 rcu_read_lock();
980f0799a15c75 Hangbin Liu 2023-04-18 5770 bond_for_each_slave_rcu(bond, slave, iter) {
59b068fe2f41f9 Richard Cochran 2023-10-09 5771 ret = ethtool_get_ts_info_by_layer(slave->dev, &ts_info);
980f0799a15c75 Hangbin Liu 2023-04-18 5772 if (!ret && (ts_info.so_timestamping & SOF_TIMESTAMPING_TX_SOFTWARE)) {
980f0799a15c75 Hangbin Liu 2023-04-18 5773 sw_tx_support = true;
980f0799a15c75 Hangbin Liu 2023-04-18 5774 continue;
980f0799a15c75 Hangbin Liu 2023-04-18 5775 }
980f0799a15c75 Hangbin Liu 2023-04-18 5776
980f0799a15c75 Hangbin Liu 2023-04-18 5777 sw_tx_support = false;
980f0799a15c75 Hangbin Liu 2023-04-18 5778 break;
980f0799a15c75 Hangbin Liu 2023-04-18 5779 }
980f0799a15c75 Hangbin Liu 2023-04-18 5780 rcu_read_unlock();
94dd016ae538b1 Hangbin Liu 2021-11-30 5781 }
94dd016ae538b1 Hangbin Liu 2021-11-30 5782
980f0799a15c75 Hangbin Liu 2023-04-18 5783 if (sw_tx_support)
980f0799a15c75 Hangbin Liu 2023-04-18 5784 info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE;
980f0799a15c75 Hangbin Liu 2023-04-18 5785
9b80ccda233fa6 Hangbin Liu 2022-05-19 5786 dev_put(real_dev);
9b80ccda233fa6 Hangbin Liu 2022-05-19 5787 return ret;
94dd016ae538b1 Hangbin Liu 2021-11-30 5788 }
94dd016ae538b1 Hangbin Liu 2021-11-30 5789
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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