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X-CSE-ConnectionGUID: 4cRJRc0nT3mp1s7bEsCwPg== X-CSE-MsgGUID: t+r7rwbvSUmCYxXJjglCVA== X-IronPort-AV: E=McAfee;i="6800,10657,11723"; a="73949539" X-IronPort-AV: E=Sophos;i="6.23,109,1770624000"; d="scan'208";a="73949539" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2026 20:57:49 -0700 X-CSE-ConnectionGUID: u78bIBNmTT+A93NEMQDGZQ== X-CSE-MsgGUID: DcpL+dr/Tga1sllf05d2rg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,109,1770624000"; d="scan'208";a="224082335" Received: from lkp-server01.sh.intel.com (HELO 17db2bb44c9a) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 08 Mar 2026 20:57:48 -0700 Received: from kbuild by 17db2bb44c9a with local (Exim 4.98.2) (envelope-from ) id 1vzRkX-0000000008D-32qM; Mon, 09 Mar 2026 03:57:45 +0000 Date: Mon, 9 Mar 2026 11:56:46 +0800 From: kernel test robot To: =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [RFC net-next v2 5/6] netdevsim: Add module EEPROM simulation via debugfs Message-ID: <202603091145.XesQOgpn-lkp@intel.com> References: <20260308124016.3134012-6-bjorn@kernel.org> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260308124016.3134012-6-bjorn@kernel.org> Hi Björn, [This is a private test report for your RFC patch.] kernel test robot noticed the following build warnings: [auto build test WARNING on 0bcac7b11262557c990da1ac564d45777eb6b005] url: https://github.com/intel-lab-lkp/linux/commits/Bj-rn-T-pel/ethtool-Add-loopback-netlink-UAPI-definitions/20260308-204636 base: 0bcac7b11262557c990da1ac564d45777eb6b005 patch link: https://lore.kernel.org/r/20260308124016.3134012-6-bjorn%40kernel.org patch subject: [RFC net-next v2 5/6] netdevsim: Add module EEPROM simulation via debugfs config: i386-buildonly-randconfig-006-20260309 (https://download.01.org/0day-ci/archive/20260309/202603091145.XesQOgpn-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/20260309/202603091145.XesQOgpn-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/202603091145.XesQOgpn-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/net/netdevsim/ethtool.c:212:11: warning: result of comparison of constant 256 with expression of type 'u8' (aka 'unsigned char') is always false [-Wtautological-constant-out-of-range-compare] 212 | if (page >= NSIM_MODULE_EEPROM_PAGES) | ~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +212 drivers/net/netdevsim/ethtool.c 197 198 static u8 *nsim_module_eeprom_ptr(struct netdevsim *ns, 199 const struct ethtool_module_eeprom *page_data, u32 *len) 200 { 201 u32 offset; 202 u8 page; 203 204 if (page_data->offset < NSIM_MODULE_EEPROM_PAGE_LEN) { 205 page = 0; 206 offset = page_data->offset; 207 } else { 208 page = page_data->page; 209 offset = page_data->offset - NSIM_MODULE_EEPROM_PAGE_LEN; 210 } 211 > 212 if (page >= NSIM_MODULE_EEPROM_PAGES) 213 return NULL; 214 215 *len = min_t(u32, page_data->length, NSIM_MODULE_EEPROM_PAGE_LEN - offset); 216 return ns->ethtool.module.pages[page] + offset; 217 } 218 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki