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X-CSE-ConnectionGUID: 8C2iJpRaQCGncQcaq4X8Xg== X-CSE-MsgGUID: zfdVBdUNQBCebZR8BJ8Y2Q== X-IronPort-AV: E=McAfee;i="6700,10204,11394"; a="56584699" X-IronPort-AV: E=Sophos;i="6.15,188,1739865600"; d="scan'208";a="56584699" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Apr 2025 07:30:30 -0700 X-CSE-ConnectionGUID: pM+UG7G9QX2kEEIG6K+23A== X-CSE-MsgGUID: qpIy+gfoS/izeTsFIT6pGw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,188,1739865600"; d="scan'208";a="127845623" Received: from lkp-server01.sh.intel.com (HELO b207828170a5) ([10.239.97.150]) by orviesa007.jf.intel.com with ESMTP; 04 Apr 2025 07:30:29 -0700 Received: from kbuild by b207828170a5 with local (Exim 4.96) (envelope-from ) id 1u0i3v-0001IF-0N; Fri, 04 Apr 2025 14:30:27 +0000 Date: Fri, 4 Apr 2025 22:29:30 +0800 From: kernel test robot To: Sean Anderson Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [RFC net-next PATCH 03/13] net: pcs: Add subsystem Message-ID: <202504042242.11oJSS49-lkp@intel.com> References: <20250403181907.1947517-4-sean.anderson@linux.dev> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250403181907.1947517-4-sean.anderson@linux.dev> Hi Sean, [This is a private test report for your RFC patch.] 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/Sean-Anderson/dt-bindings-net-Add-binding-for-Xilinx-PCS/20250404-023209 base: net-next/main patch link: https://lore.kernel.org/r/20250403181907.1947517-4-sean.anderson%40linux.dev patch subject: [RFC net-next PATCH 03/13] net: pcs: Add subsystem config: loongarch-randconfig-001-20250404 (https://download.01.org/0day-ci/archive/20250404/202504042242.11oJSS49-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250404/202504042242.11oJSS49-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/202504042242.11oJSS49-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/net/pcs/core.c: In function 'pcs_unregister': >> drivers/net/pcs/core.c:373:29: warning: variable 'wrapped' set but not used [-Wunused-but-set-variable] 373 | struct phylink_pcs *wrapped; | ^~~~~~~ vim +/wrapped +373 drivers/net/pcs/core.c 365 366 /** 367 * pcs_unregister() - unregister a PCS 368 * @pcs: a PCS previously registered with pcs_register() 369 */ 370 void pcs_unregister(struct phylink_pcs *pcs) 371 { 372 struct pcs_wrapper *wrapper; > 373 struct phylink_pcs *wrapped; 374 375 mutex_lock(&pcs_mutex); 376 list_for_each_entry(wrapper, &pcs_wrappers, list) { 377 if (wrapper->wrapped == pcs) 378 goto found; 379 } 380 381 mutex_unlock(&pcs_mutex); 382 WARN(1, "trying to unregister an already-unregistered PCS\n"); 383 return; 384 385 found: 386 list_del(&wrapper->list); 387 wrapped = rcu_replace_pointer(wrapper->wrapped, NULL, true); 388 mutex_unlock(&pcs_mutex); 389 synchronize_srcu(&wrapper->ssp); 390 391 if (!wrapper->pcs.poll) 392 phylink_pcs_change(&wrapper->pcs, false); 393 if (refcount_dec_and_test(&wrapper->refcnt)) 394 pcs_destroy(wrapper); 395 } 396 EXPORT_SYMBOL_GPL(pcs_unregister); 397 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki