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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Sudeep Holla , Jonathan Cameron , Huisong Li Subject: Re: [PATCH net-next v25 1/1] mctp pcc: Implement MCTP over PCC Transport Message-ID: <202508291628.CPVGma07-lkp@intel.com> References: <20250827044810.152775-2-admiyo@os.amperecomputing.com> Precedence: bulk X-Mailing-List: netdev@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: <20250827044810.152775-2-admiyo@os.amperecomputing.com> Hi, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/admiyo-os-amperecomputing-com/mctp-pcc-Implement-MCTP-over-PCC-Transport/20250827-124953 base: net-next/main patch link: https://lore.kernel.org/r/20250827044810.152775-2-admiyo%40os.amperecomputing.com patch subject: [PATCH net-next v25 1/1] mctp pcc: Implement MCTP over PCC Transport config: i386-randconfig-015-20250829 (https://download.01.org/0day-ci/archive/20250829/202508291628.CPVGma07-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250829/202508291628.CPVGma07-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/202508291628.CPVGma07-lkp@intel.com/ All errors (new ones prefixed by >>): ld: drivers/net/mctp/mctp-pcc.o: in function `mctp_pcc_tx': >> drivers/net/mctp/mctp-pcc.c:153: undefined reference to `mbox_send_message' vim +153 drivers/net/mctp/mctp-pcc.c 130 131 static netdev_tx_t mctp_pcc_tx(struct sk_buff *skb, struct net_device *ndev) 132 { 133 struct mctp_pcc_ndev *mpnd = netdev_priv(ndev); 134 struct pcc_header *pcc_header; 135 int len = skb->len; 136 int rc; 137 138 rc = skb_cow_head(skb, sizeof(*pcc_header)); 139 if (rc) { 140 dev_dstats_tx_dropped(ndev); 141 kfree_skb(skb); 142 return NETDEV_TX_OK; 143 } 144 145 pcc_header = skb_push(skb, sizeof(*pcc_header)); 146 pcc_header->signature = PCC_SIGNATURE | mpnd->outbox.index; 147 pcc_header->flags = PCC_CMD_COMPLETION_NOTIFY; 148 memcpy(&pcc_header->command, MCTP_SIGNATURE, MCTP_SIGNATURE_LENGTH); 149 pcc_header->length = len + MCTP_SIGNATURE_LENGTH; 150 151 skb_queue_head(&mpnd->outbox.packets, skb); 152 > 153 rc = mbox_send_message(mpnd->outbox.chan->mchan, skb->data); 154 155 if (rc < 0) { 156 skb_unlink(skb, &mpnd->outbox.packets); 157 return NETDEV_TX_BUSY; 158 } 159 160 dev_dstats_tx_add(ndev, len); 161 return NETDEV_TX_OK; 162 } 163 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki