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SubjectRe: [PATCH 2/2] virtio_scsi: Implement fc_host
Hi Fam,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.10-rc4 next-20170116]
[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/Fam-Zheng/virtio-scsi-Implement-FC_HOST-feature/20170117-011950
config: arm-vexpress_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All errors (new ones prefixed by >>):

drivers/built-in.o: In function `init':
>> drivers/scsi/virtio_scsi.c:1178: undefined reference to `fc_attach_transport'
drivers/built-in.o: In function `fini':
>> drivers/scsi/virtio_scsi.c:1231: undefined reference to `fc_release_transport'

vim +1178 drivers/scsi/virtio_scsi.c

1172 };
1173
1174 static int __init init(void)
1175 {
1176 int ret = -ENOMEM;
1177
> 1178 virtscsi_fc_transport_template = fc_attach_transport(&virtscsi_fc_template);
1179 if (!virtscsi_fc_transport_template) {
1180 pr_err("fc_attach_transport() failed\n");
1181 goto error;
1182 }
1183
1184 virtscsi_cmd_cache = KMEM_CACHE(virtio_scsi_cmd, 0);
1185 if (!virtscsi_cmd_cache) {
1186 pr_err("kmem_cache_create() for virtscsi_cmd_cache failed\n");
1187 goto error;
1188 }
1189
1190
1191 virtscsi_cmd_pool =
1192 mempool_create_slab_pool(VIRTIO_SCSI_MEMPOOL_SZ,
1193 virtscsi_cmd_cache);
1194 if (!virtscsi_cmd_pool) {
1195 pr_err("mempool_create() for virtscsi_cmd_pool failed\n");
1196 goto error;
1197 }
1198 ret = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN,
1199 "scsi/virtio:online",
1200 virtscsi_cpu_online, NULL);
1201 if (ret < 0)
1202 goto error;
1203 virtioscsi_online = ret;
1204 ret = cpuhp_setup_state_multi(CPUHP_VIRT_SCSI_DEAD, "scsi/virtio:dead",
1205 NULL, virtscsi_cpu_online);
1206 if (ret)
1207 goto error;
1208 ret = register_virtio_driver(&virtio_scsi_driver);
1209 if (ret < 0)
1210 goto error;
1211
1212 return 0;
1213
1214 error:
1215 if (virtscsi_cmd_pool) {
1216 mempool_destroy(virtscsi_cmd_pool);
1217 virtscsi_cmd_pool = NULL;
1218 }
1219 if (virtscsi_cmd_cache) {
1220 kmem_cache_destroy(virtscsi_cmd_cache);
1221 virtscsi_cmd_cache = NULL;
1222 }
1223 if (virtioscsi_online)
1224 cpuhp_remove_multi_state(virtioscsi_online);
1225 cpuhp_remove_multi_state(CPUHP_VIRT_SCSI_DEAD);
1226 return ret;
1227 }
1228
1229 static void __exit fini(void)
1230 {
> 1231 fc_release_transport(virtscsi_fc_transport_template);
1232 unregister_virtio_driver(&virtio_scsi_driver);
1233 cpuhp_remove_multi_state(virtioscsi_online);
1234 cpuhp_remove_multi_state(CPUHP_VIRT_SCSI_DEAD);

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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