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X-CSE-ConnectionGUID: /LwyjmUcSbOSsp7cyaA1gA== X-CSE-MsgGUID: aZU7XggRS2C8vz+UUBUnSA== X-IronPort-AV: E=McAfee;i="6800,10657,11522"; a="57465781" X-IronPort-AV: E=Sophos;i="6.17,290,1747724400"; d="scan'208";a="57465781" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2025 20:26:31 -0700 X-CSE-ConnectionGUID: NPGfBA5+Th+3cPDrRLUODQ== X-CSE-MsgGUID: oGTsP8FHQlCdwpSczOAxDA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,290,1747724400"; d="scan'208";a="197916558" Received: from lkp-server02.sh.intel.com (HELO 4ea60e6ab079) ([10.239.97.151]) by orviesa002.jf.intel.com with ESMTP; 14 Aug 2025 20:26:25 -0700 Received: from kbuild by 4ea60e6ab079 with local (Exim 4.96) (envelope-from ) id 1uml4v-000BVU-2v; Fri, 15 Aug 2025 03:26:10 +0000 Date: Fri, 15 Aug 2025 11:25:55 +0800 From: kernel test robot To: Maxime Chevallier , davem@davemloft.net Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, thomas.petazzoni@bootlin.com, Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , linux-arm-kernel@lists.infradead.org, Christophe Leroy , Herve Codina , Florian Fainelli , Heiner Kallweit , Vladimir Oltean , =?iso-8859-1?Q?K=F6ry?= Maincent , Marek =?iso-8859-1?Q?Beh=FAn?= , Oleksij Rempel , =?iso-8859-1?Q?Nicol=F2?= Veronese , Simon Horman , mwojtas@chromium.org, Antoine Tenart , devicetree@vger.kernel.org, Conor Dooley , Krzysztof Kozlowski , Rob Herring , Romain Gantois , Daniel Golle Subject: Re: [PATCH net-next v11 08/16] net: phy: Introduce generic SFP handling for PHY drivers Message-ID: <202508151058.jqJsn9VB-lkp@intel.com> References: <20250814135832.174911-9-maxime.chevallier@bootlin.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250814135832.174911-9-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/dt-bindings-net-Introduce-the-ethernet-connector-description/20250814-221559 base: net-next/main patch link: https://lore.kernel.org/r/20250814135832.174911-9-maxime.chevallier%40bootlin.com patch subject: [PATCH net-next v11 08/16] net: phy: Introduce generic SFP handling for PHY drivers config: i386-randconfig-013-20250815 (https://download.01.org/0day-ci/archive/20250815/202508151058.jqJsn9VB-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508151058.jqJsn9VB-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202508151058.jqJsn9VB-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/net/phy/phy_device.c:1625:47: warning: variable 'iface' is uninitialized when used here [-Wuninitialized] 1625 | return port->ops->configure_mii(port, true, iface); | ^~~~~ drivers/net/phy/phy_device.c:1597:2: note: variable 'iface' is declared here 1597 | phy_interface_t iface; | ^ 1 warning generated. vim +/iface +1625 drivers/net/phy/phy_device.c 1589 1590 static int phy_sfp_module_insert(void *upstream, const struct sfp_eeprom_id *id) 1591 { 1592 struct phy_device *phydev = upstream; 1593 struct phy_port *port; 1594 1595 __ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_support); 1596 DECLARE_PHY_INTERFACE_MASK(interfaces); 1597 phy_interface_t iface; 1598 1599 linkmode_zero(sfp_support); 1600 1601 port = phy_get_sfp_port(phydev); 1602 if (!port) 1603 return -EINVAL; 1604 1605 sfp_parse_support(phydev->sfp_bus, id, sfp_support, interfaces); 1606 1607 if (phydev->n_ports == 1) 1608 phydev->port = sfp_parse_port(phydev->sfp_bus, id, sfp_support); 1609 1610 linkmode_and(sfp_support, port->supported, sfp_support); 1611 linkmode_and(interfaces, interfaces, port->interfaces); 1612 1613 if (linkmode_empty(sfp_support)) { 1614 dev_err(&phydev->mdio.dev, "incompatible SFP module inserted, no common linkmode\n"); 1615 return -EINVAL; 1616 } 1617 1618 /* Check that this interface is supported */ 1619 if (!test_bit(iface, port->interfaces)) { 1620 dev_err(&phydev->mdio.dev, "PHY %s does not support the SFP module's requested MII interfaces\n", phydev_name(phydev)); 1621 return -EINVAL; 1622 } 1623 1624 if (port->ops && port->ops->configure_mii) > 1625 return port->ops->configure_mii(port, true, iface); 1626 1627 return 0; 1628 } 1629 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki