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31 Jan 2026 07:45:20 -0800 X-CSE-ConnectionGUID: ADQGpyl5TsqougCezebZxw== X-CSE-MsgGUID: YFaECUstSt2+xdAn3DaIZg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,265,1763452800"; d="scan'208";a="213596685" Received: from igk-lkp-server01.igk.intel.com (HELO afc5bfd7f602) ([10.211.93.152]) by fmviesa005.fm.intel.com with ESMTP; 31 Jan 2026 07:45:16 -0800 Received: from kbuild by afc5bfd7f602 with local (Exim 4.98.2) (envelope-from ) id 1vmD9u-000000002iT-0UCJ; Sat, 31 Jan 2026 15:45:14 +0000 Date: Sat, 31 Jan 2026 16:44:56 +0100 From: kernel test robot To: Haoxiang Li , anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, daniel@iogearbox.net, magnus.karlsson@intel.com, bjorn@kernel.org Cc: oe-kbuild-all@lists.linux.dev, intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Message-ID: <202601311618.xd5faCRh-lkp@intel.com> References: <20260131055217.729048-1-lihaoxiang@isrc.iscas.ac.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260131055217.729048-1-lihaoxiang@isrc.iscas.ac.cn> X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769874321; x=1801410321; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=z4mDeCsk3H9uQQF2Mca+22wxYAlmcrWmEXsBJ/Nfwcg=; b=kkkiI1a8uC+cfX5AuXOABUKdR43gUMk3AbIZDdkoZDizyFQSU1aI3r1z 9fwpq2yA0kXc4NcesPEflChn5V0URQFmcd/l/AxWZiCPTCg8rtA9KUi45 dxRUeqOOTRpiyuMw8jKNut7c08SRdZQATEce4mfNpNlsNDSY/IeZIdSQM 7SOhq4Q95AA0ksKP/FZBelIPGMhmvYlrD5jBbsTE0qY/UX7f1NPXWk9jc 5NpzQvkfOb+UXBdZP+mkAUZz9dfdiTdaWfQN6jUQryw0xcJWgInPtPnK+ xzAcnVItJwZ68BwIkI2U+yALP/u7J1+9JisDLdLb3KXn6cZs2bE9A+ok8 g==; X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dmarc=pass (p=none dis=none) header.from=intel.com X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=kkkiI1a8 Subject: Re: [Intel-wired-lan] [PATCH v2] i40e: add an error handling path in i40e_xsk_pool_enable() X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" Hi Haoxiang, kernel test robot noticed the following build errors: [auto build test ERROR on tnguy-next-queue/dev-queue] [also build test ERROR on tnguy-net-queue/dev-queue linus/master v6.16-rc1 next-20260130] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Haoxiang-Li/i40e-add-an-error-handling-path-in-i40e_xsk_pool_enable/20260131-135447 base: https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git dev-queue patch link: https://lore.kernel.org/r/20260131055217.729048-1-lihaoxiang%40isrc.iscas.ac.cn patch subject: [Intel-wired-lan] [PATCH v2] i40e: add an error handling path in i40e_xsk_pool_enable() config: x86_64-rhel-9.4-kunit (https://download.01.org/0day-ci/archive/20260131/202601311618.xd5faCRh-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260131/202601311618.xd5faCRh-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/202601311618.xd5faCRh-lkp@intel.com/ All error/warnings (new ones prefixed by >>): drivers/net/ethernet/intel/i40e/i40e_xsk.c: In function 'i40e_xsk_pool_enable': >> drivers/net/ethernet/intel/i40e/i40e_xsk.c:130:9: error: implicit declaration of function 'i40e_xsk_pool_disable'; did you mean 'i40e_xsk_pool_enable'? [-Wimplicit-function-declaration] 130 | i40e_xsk_pool_disable(vsi, qid); | ^~~~~~~~~~~~~~~~~~~~~ | i40e_xsk_pool_enable drivers/net/ethernet/intel/i40e/i40e_xsk.c: At top level: >> drivers/net/ethernet/intel/i40e/i40e_xsk.c:141:12: error: conflicting types for 'i40e_xsk_pool_disable'; have 'int(struct i40e_vsi *, u16)' {aka 'int(struct i40e_vsi *, short unsigned int)'} 141 | static int i40e_xsk_pool_disable(struct i40e_vsi *vsi, u16 qid) | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/intel/i40e/i40e_xsk.c:142:1: note: an argument type that has a default promotion cannot match an empty parameter name list declaration 142 | { | ^ drivers/net/ethernet/intel/i40e/i40e_xsk.c:130:9: note: previous implicit declaration of 'i40e_xsk_pool_disable' with type 'int()' 130 | i40e_xsk_pool_disable(vsi, qid); | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/intel/i40e/i40e_xsk.c: In function 'i40e_xsk_pool_enable': >> drivers/net/ethernet/intel/i40e/i40e_xsk.c:131:1: warning: control reaches end of non-void function [-Wreturn-type] 131 | } | ^ vim +130 drivers/net/ethernet/intel/i40e/i40e_xsk.c 72 73 /** 74 * i40e_xsk_pool_enable - Enable/associate an AF_XDP buffer pool to a 75 * certain ring/qid 76 * @vsi: Current VSI 77 * @pool: buffer pool 78 * @qid: Rx ring to associate buffer pool with 79 * 80 * Returns 0 on success, <0 on failure 81 **/ 82 static int i40e_xsk_pool_enable(struct i40e_vsi *vsi, 83 struct xsk_buff_pool *pool, 84 u16 qid) 85 { 86 struct net_device *netdev = vsi->netdev; 87 bool if_running; 88 int err; 89 90 if (vsi->type != I40E_VSI_MAIN) 91 return -EINVAL; 92 93 if (qid >= vsi->num_queue_pairs) 94 return -EINVAL; 95 96 if (qid >= netdev->real_num_rx_queues || 97 qid >= netdev->real_num_tx_queues) 98 return -EINVAL; 99 100 err = xsk_pool_dma_map(pool, &vsi->back->pdev->dev, I40E_RX_DMA_ATTR); 101 if (err) 102 return err; 103 104 set_bit(qid, vsi->af_xdp_zc_qps); 105 106 if_running = netif_running(vsi->netdev) && i40e_enabled_xdp_vsi(vsi); 107 108 if (if_running) { 109 err = i40e_queue_pair_disable(vsi, qid); 110 if (err) 111 goto err_out; 112 113 err = i40e_realloc_rx_xdp_bi(vsi->rx_rings[qid], true); 114 if (err) 115 goto err_out; 116 117 err = i40e_queue_pair_enable(vsi, qid); 118 if (err) 119 goto err_out; 120 121 /* Kick start the NAPI context so that receiving will start */ 122 err = i40e_xsk_wakeup(vsi->netdev, qid, XDP_WAKEUP_RX); 123 if (err) 124 goto err_out; 125 } 126 127 return 0; 128 129 err_out: > 130 i40e_xsk_pool_disable(vsi, qid); > 131 } 132 133 /** 134 * i40e_xsk_pool_disable - Disassociate an AF_XDP buffer pool from a 135 * certain ring/qid 136 * @vsi: Current VSI 137 * @qid: Rx ring to associate buffer pool with 138 * 139 * Returns 0 on success, <0 on failure 140 **/ > 141 static int i40e_xsk_pool_disable(struct i40e_vsi *vsi, u16 qid) 142 { 143 struct net_device *netdev = vsi->netdev; 144 struct xsk_buff_pool *pool; 145 bool if_running; 146 int err; 147 148 pool = xsk_get_pool_from_qid(netdev, qid); 149 if (!pool) 150 return -EINVAL; 151 152 if_running = netif_running(vsi->netdev) && i40e_enabled_xdp_vsi(vsi); 153 154 if (if_running) { 155 err = i40e_queue_pair_disable(vsi, qid); 156 if (err) 157 return err; 158 } 159 160 clear_bit(qid, vsi->af_xdp_zc_qps); 161 xsk_pool_dma_unmap(pool, I40E_RX_DMA_ATTR); 162 163 if (if_running) { 164 err = i40e_realloc_rx_xdp_bi(vsi->rx_rings[qid], false); 165 if (err) 166 return err; 167 err = i40e_queue_pair_enable(vsi, qid); 168 if (err) 169 return err; 170 } 171 172 return 0; 173 } 174 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki