Hi Lubomir, I love your patch! Yet something to improve: [auto build test ERROR on wireless-drivers-next/master] [also build test ERROR on v4.19-rc7 next-20181008] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Lubomir-Rintel/libertas-return-errno-from-lbs_add_card/20180925-105034 base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master config: i386-randconfig-a0-10081439 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/net/wireless/marvell/libertas/if_spi.c: In function 'if_spi_probe': >> drivers/net/wireless/marvell/libertas/if_spi.c:1150:3: error: 'ret' undeclared (first use in this function) ret = PTR_ERR(priv); ^ drivers/net/wireless/marvell/libertas/if_spi.c:1150:3: note: each undeclared identifier is reported only once for each function it appears in vim +/ret +1150 drivers/net/wireless/marvell/libertas/if_spi.c 1103 1104 static int if_spi_probe(struct spi_device *spi) 1105 { 1106 struct if_spi_card *card; 1107 struct lbs_private *priv = NULL; 1108 struct libertas_spi_platform_data *pdata = dev_get_platdata(&spi->dev); 1109 int err = 0; 1110 1111 if (!pdata) { 1112 err = -EINVAL; 1113 goto out; 1114 } 1115 1116 if (pdata->setup) { 1117 err = pdata->setup(spi); 1118 if (err) 1119 goto out; 1120 } 1121 1122 /* Allocate card structure to represent this specific device */ 1123 card = kzalloc(sizeof(struct if_spi_card), GFP_KERNEL); 1124 if (!card) { 1125 err = -ENOMEM; 1126 goto teardown; 1127 } 1128 spi_set_drvdata(spi, card); 1129 card->pdata = pdata; 1130 card->spi = spi; 1131 card->prev_xfer_time = jiffies; 1132 1133 INIT_LIST_HEAD(&card->cmd_packet_list); 1134 INIT_LIST_HEAD(&card->data_packet_list); 1135 spin_lock_init(&card->buffer_lock); 1136 1137 /* Initialize the SPI Interface Unit */ 1138 1139 /* Firmware load */ 1140 err = if_spi_init_card(card); 1141 if (err) 1142 goto free_card; 1143 1144 /* 1145 * Register our card with libertas. 1146 * This will call alloc_etherdev. 1147 */ 1148 priv = lbs_add_card(card, &spi->dev); 1149 if (IS_ERR(priv)) { > 1150 ret = PTR_ERR(priv); 1151 goto free_card; 1152 } 1153 card->priv = priv; 1154 priv->setup_fw_on_resume = 1; 1155 priv->card = card; 1156 priv->hw_host_to_card = if_spi_host_to_card; 1157 priv->enter_deep_sleep = NULL; 1158 priv->exit_deep_sleep = NULL; 1159 priv->reset_deep_sleep_wakeup = NULL; 1160 priv->fw_ready = 1; 1161 1162 /* Initialize interrupt handling stuff. */ 1163 card->workqueue = alloc_workqueue("libertas_spi", WQ_MEM_RECLAIM, 0); 1164 if (!card->workqueue) { 1165 err = -ENOMEM; 1166 goto remove_card; 1167 } 1168 INIT_WORK(&card->packet_work, if_spi_host_to_card_worker); 1169 INIT_WORK(&card->resume_work, if_spi_resume_worker); 1170 1171 err = request_irq(spi->irq, if_spi_host_interrupt, 1172 IRQF_TRIGGER_FALLING, "libertas_spi", card); 1173 if (err) { 1174 pr_err("can't get host irq line-- request_irq failed\n"); 1175 goto terminate_workqueue; 1176 } 1177 1178 /* 1179 * Start the card. 1180 * This will call register_netdev, and we'll start 1181 * getting interrupts... 1182 */ 1183 err = lbs_start_card(priv); 1184 if (err) 1185 goto release_irq; 1186 1187 lbs_deb_spi("Finished initializing WLAN module.\n"); 1188 1189 /* successful exit */ 1190 goto out; 1191 1192 release_irq: 1193 free_irq(spi->irq, card); 1194 terminate_workqueue: 1195 destroy_workqueue(card->workqueue); 1196 remove_card: 1197 lbs_remove_card(priv); /* will call free_netdev */ 1198 free_card: 1199 free_if_spi_card(card); 1200 teardown: 1201 if (pdata->teardown) 1202 pdata->teardown(spi); 1203 out: 1204 return err; 1205 } 1206 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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