Hi WenChen, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: fdc4bca5e9e486a894194c2b6a956492b11d8cc5 commit: 5d130e2cfa3d2aaee4d10e18c075f6c3750600c5 [2516/2516] urma: upload kernel patch for 20240511_mig config: arm64-randconfig-003-20241203 (https://download.01.org/0day-ci/archive/20241205/202412051837.t5BmEbw0-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241205/202412051837.t5BmEbw0-lkp@i...) 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 <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412051837.t5BmEbw0-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/ub/urma/ubcore/ubcore_netlink.c:192:5: warning: no previous prototype for 'ubcore_genl_unicast' [-Wmissing-prototypes] 192 | int ubcore_genl_unicast(struct ubcore_nlmsg *req, uint32_t len) | ^~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netlink.c: In function 'ubcore_create_nl_session':

...

drivers/ub/urma/ubcore/ubcore_netlink.c:89:15: warning: 'strncpy' output may be truncated copying 63 bytes from a string of length 63 [-Wstringop-truncation] 89 | (void)strncpy(s->dev_name, dev->dev_name, UBCORE_MAX_DEV_NAME - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/ub/urma/ubcore/ubcore_tp.c:70:17: warning: no previous prototype for 'ubcore_get_mtu' [-Wmissing-prototypes] 70 | enum ubcore_mtu ubcore_get_mtu(int mtu) | ^~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_tp.c:341:5: warning: no previous prototype for 'ubcore_modify_tp_state' [-Wmissing-prototypes] 341 | int ubcore_modify_tp_state(struct ubcore_device *dev, struct ubcore_tp *tp, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_tp.c: In function 'ubcore_send_del_tp_req': drivers/ub/urma/ubcore/ubcore_tp.c:687:15: warning: 'strncpy' output may be truncated copying 63 bytes from a string of length 63 [-Wstringop-truncation] 687 | (void)strncpy(data->dev_name, dev->dev_name, UBCORE_MAX_DEV_NAME - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_tp.c: In function 'ubcore_init_create_tp_req': drivers/ub/urma/ubcore/ubcore_tp.c:581:15: warning: 'strncpy' output may be truncated copying 63 bytes from a string of length 63 [-Wstringop-truncation] 581 | (void)strncpy(data->dev_name, dev->dev_name, UBCORE_MAX_DEV_NAME - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/ub/urma/ubcore/ubcore_device.c:413:6: warning: no previous prototype for 'ubcore_destroy_upi_list' [-Wmissing-prototypes] 413 | void ubcore_destroy_upi_list(struct ubcore_device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c:1666:5: warning: no previous prototype for 'ubcore_dispatch_event' [-Wmissing-prototypes] 1666 | int ubcore_dispatch_event(struct ubcore_event *event) | ^~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/printk.h:7, from include/linux/kernel.h:17, from include/asm-generic/bug.h:20, from arch/arm64/include/asm/bug.h:26, from include/linux/bug.h:5, from include/linux/refcount.h:96, from include/net/net_namespace.h:9, from drivers/ub/urma/ubcore/ubcore_device.c:21: drivers/ub/urma/ubcore/ubcore_device.c: In function 'ubcore_add_ueid': include/linux/kern_levels.h:5:25: warning: too many arguments for format [-Wformat-extra-args] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:392:16: note: in expansion of macro 'KERN_ERR' 392 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ drivers/ub/urma/ubcore/ubcore_log.h:46:16: note: in expansion of macro 'pr_err' 46 | ((void)pr_##l("%s|%s:[%d]|" format, UBCORE_LOG_TAG, __func__, __LINE__, ##args)) | ^~~ drivers/ub/urma/ubcore/ubcore_log.h:57:17: note: in expansion of macro 'ubcore_default_log' 57 | ubcore_default_log(err, __VA_ARGS__); \ | ^~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c:1874:17: note: in expansion of macro 'ubcore_log_err' 1874 | ubcore_log_err("failed to add ueid, ret:%d\n", | ^~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c: In function 'ubcore_delete_ueid': include/linux/kern_levels.h:5:25: warning: too many arguments for format [-Wformat-extra-args] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ include/linux/printk.h:392:16: note: in expansion of macro 'KERN_ERR' 392 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~ drivers/ub/urma/ubcore/ubcore_log.h:46:16: note: in expansion of macro 'pr_err' 46 | ((void)pr_##l("%s|%s:[%d]|" format, UBCORE_LOG_TAG, __func__, __LINE__, ##args)) | ^~~ drivers/ub/urma/ubcore/ubcore_log.h:57:17: note: in expansion of macro 'ubcore_default_log' 57 | ubcore_default_log(err, __VA_ARGS__); \ | ^~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c:1896:17: note: in expansion of macro 'ubcore_log_err' 1896 | ubcore_log_err("failed to add ueid, ret:%d\n", | ^~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c: At top level: drivers/ub/urma/ubcore/ubcore_device.c:2372:6: warning: no previous prototype for 'ubcore_net_exit' [-Wmissing-prototypes] 2372 | void ubcore_net_exit(struct net *net) | ^~~~~~~~~~~~~~~ In function 'ubcore_send_remove_tpf_dev_info', inlined from 'uninit_ubcore_device' at drivers/ub/urma/ubcore/ubcore_device.c:1057:37: drivers/ub/urma/ubcore/ubcore_device.c:823:15: warning: 'strncpy' output may be truncated copying 63 bytes from a string of length 63 [-Wstringop-truncation] 823 | (void)strncpy(data->dev_name, dev->dev_name, UBCORE_MAX_DEV_NAME - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c: In function 'ubcore_new_tpf_dev_msg': drivers/ub/urma/ubcore/ubcore_device.c:888:15: warning: 'strncpy' output may be truncated copying 63 bytes from a string of length 63 [-Wstringop-truncation] 888 | (void)strncpy(data->dev_name, dev->dev_name, UBCORE_MAX_DEV_NAME - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_device.c:892:17: warning: 'strnlen' specified bound 64 exceeds source size 16 [-Wstringop-overread] 892 | strnlen(dev->netdev->name, UBCORE_MAX_DEV_NAME) < UBCORE_MAX_DEV_NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/ub/urma/ubcore/ubcore_device.c:32: include/linux/netdevice.h:1957:33: note: source object allocated here 1957 | char name[IFNAMSIZ]; | ^~~~ -- drivers/ub/urma/ubcore/ubcore_vtp.c:337:6: warning: no previous prototype for 'ubcore_hash_table_rmv_vtpn' [-Wmissing-prototypes] 337 | void ubcore_hash_table_rmv_vtpn(struct ubcore_device *dev, struct ubcore_vtpn *vtpn, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ In function 'ubcore_send_create_vtp_req', inlined from 'ubcore_connect_vtp' at drivers/ub/urma/ubcore/ubcore_vtp.c:419:8: drivers/ub/urma/ubcore/ubcore_vtp.c:93:15: warning: 'strncpy' output may be truncated copying 63 bytes from a string of length 63 [-Wstringop-truncation] 93 | (void)strncpy(create->dev_name, dev->dev_name, UBCORE_MAX_DEV_NAME - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/ub/urma/ubcore/ubcore_tpg.c:85:6: warning: no previous prototype for 'ubcore_tpg_kref_get' [-Wmissing-prototypes] 85 | void ubcore_tpg_kref_get(struct ubcore_tpg *tpg) | ^~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_tpg.c: In function 'ubcore_find_remove_tpg': drivers/ub/urma/ubcore/ubcore_tpg.c:100:42: warning: the comparison will always evaluate as 'false' for the address of 'head' will never be NULL [-Waddress] 100 | if (&dev->ht[UBCORE_HT_TPG].head == NULL) { | ^~ In file included from drivers/ub/urma/ubcore/ubcore_hash_table.h:24, from drivers/ub/urma/ubcore/ubcore_tpg.c:23: include/urma/ubcore_types.h:178:28: note: 'head' declared here 178 | struct hlist_head *head; | ^~~~ drivers/ub/urma/ubcore/ubcore_tpg.c: In function 'ubcore_find_remove_tp_node': drivers/ub/urma/ubcore/ubcore_tpg.c:131:41: warning: the comparison will always evaluate as 'false' for the address of 'head' will never be NULL [-Waddress] 131 | if (&dev->ht[UBCORE_HT_TP].head == NULL) { | ^~ include/urma/ubcore_types.h:178:28: note: 'head' declared here 178 | struct hlist_head *head; | ^~~~ -- drivers/ub/urma/ubcore/ubcore_umem.c:242:21: warning: no previous prototype for 'ubcore_umem_get' [-Wmissing-prototypes] 242 | struct ubcore_umem *ubcore_umem_get(struct ubcore_device *dev, uint64_t va, | ^~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_umem.c:260:6: warning: no previous prototype for 'ubcore_umem_release' [-Wmissing-prototypes] 260 | void ubcore_umem_release(struct ubcore_umem *umem) | ^~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_umem.c:284:10: warning: no previous prototype for 'ubcore_umem_find_best_page_size' [-Wmissing-prototypes] 284 | uint64_t ubcore_umem_find_best_page_size(struct ubcore_umem *umem, uint64_t page_size_bitmap, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/ub/urma/ubcore/ubcore_netdev.c:41:25: warning: no previous prototype for 'ubcore_lookup_sip_info_without_lock' [-Wmissing-prototypes] 41 | struct ubcore_sip_info *ubcore_lookup_sip_info_without_lock( | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:75:5: warning: no previous prototype for 'ubcore_notify_uvs_del_sip' [-Wmissing-prototypes] 75 | int ubcore_notify_uvs_del_sip(struct ubcore_device *dev, | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:113:22: warning: no previous prototype for 'ubcore_new_sip_req_msg' [-Wmissing-prototypes] 113 | struct ubcore_nlmsg *ubcore_new_sip_req_msg(struct ubcore_device *dev, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:145:5: warning: no previous prototype for 'ubcore_notify_uvs_add_sip' [-Wmissing-prototypes] 145 | int ubcore_notify_uvs_add_sip(struct ubcore_device *dev, | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:177:5: warning: no previous prototype for 'ubcore_check_port_state' [-Wmissing-prototypes] 177 | int ubcore_check_port_state(struct ubcore_device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:204:6: warning: no previous prototype for 'ubcore_fill_port_netdev' [-Wmissing-prototypes] 204 | void ubcore_fill_port_netdev(struct ubcore_device *dev, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:268:5: warning: no previous prototype for 'ubcore_set_port_netdev' [-Wmissing-prototypes] 268 | int ubcore_set_port_netdev(struct ubcore_device *dev, struct net_device *ndev, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:353:5: warning: no previous prototype for 'ubcore_unset_port_netdev' [-Wmissing-prototypes] 353 | int ubcore_unset_port_netdev(struct ubcore_device *dev, struct net_device *ndev, | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:385:6: warning: no previous prototype for 'ubcore_put_port_netdev' [-Wmissing-prototypes] 385 | void ubcore_put_port_netdev(struct ubcore_device *dev) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:412:5: warning: no previous prototype for 'ubcore_sip_table_init' [-Wmissing-prototypes] 412 | int ubcore_sip_table_init(struct ubcore_sip_table *sip_table, uint32_t size) | ^~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:431:6: warning: no previous prototype for 'ubcore_sip_table_uninit' [-Wmissing-prototypes] 431 | void ubcore_sip_table_uninit(struct ubcore_sip_table *sip_table) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:442:5: warning: no previous prototype for 'ubcore_sip_idx_alloc' [-Wmissing-prototypes] 442 | int ubcore_sip_idx_alloc(struct ubcore_sip_table *sip_table) | ^~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:458:5: warning: no previous prototype for 'ubcore_sip_idx_free' [-Wmissing-prototypes] 458 | int ubcore_sip_idx_free(struct ubcore_sip_table *sip_table, uint32_t idx) | ^~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:471:5: warning: no previous prototype for 'ubcore_add_sip_entry' [-Wmissing-prototypes] 471 | int ubcore_add_sip_entry(struct ubcore_sip_table *sip_table, const struct ubcore_sip_info *sip, | ^~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:489:5: warning: no previous prototype for 'ubcore_del_sip_entry' [-Wmissing-prototypes] 489 | int ubcore_del_sip_entry(struct ubcore_sip_table *sip_table, uint32_t idx) | ^~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:519:5: warning: no previous prototype for 'ubcore_update_sip_entry' [-Wmissing-prototypes] 519 | int ubcore_update_sip_entry(struct ubcore_sip_table *sip_table, struct ubcore_sip_info *new_sip, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c:548:5: warning: no previous prototype for 'ubcore_lookup_sip_idx' [-Wmissing-prototypes] 548 | int ubcore_lookup_sip_idx(struct ubcore_sip_table *sip_table, struct ubcore_sip_info *sip, | ^~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c: In function 'ubcore_set_port_netdev': drivers/ub/urma/ubcore/ubcore_netdev.c:275:17: warning: 'strnlen' specified bound 64 exceeds source size 21 [-Wstringop-overread] 275 | strnlen(netdev_name(ndev), UBCORE_MAX_DEV_NAME) >= UBCORE_MAX_DEV_NAME) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/ubcore/ubcore_netdev.c: In function 'ubcore_unset_port_netdev': drivers/ub/urma/ubcore/ubcore_netdev.c:360:17: warning: 'strnlen' specified bound 64 exceeds source size 21 [-Wstringop-overread] 360 | strnlen(netdev_name(ndev), UBCORE_MAX_DEV_NAME) >= UBCORE_MAX_DEV_NAME) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/ub/urma/ubcore/ubcore_msg.c:519:28: warning: no previous prototype for 'ubcore_asyn_send_fe2tpf_msg' [-Wmissing-prototypes] 519 | struct ubcore_msg_session *ubcore_asyn_send_fe2tpf_msg(struct ubcore_device *dev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In function 'ubcore_migrate_req', inlined from 'ubcore_recv_req' at drivers/ub/urma/ubcore/ubcore_msg.c:368:16: drivers/ub/urma/ubcore/ubcore_msg.c:264:15: warning: 'strncpy' output may be truncated copying 63 bytes from a string of length 63 [-Wstringop-truncation] 264 | (void)strncpy(mig_resp->dev_name, dev->dev_name, UBCORE_MAX_DEV_NAME - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/ub/urma/uburma/uburma_mmap.c:29:6: warning: no previous prototype for 'uburma_umap_priv_init' [-Wmissing-prototypes] 29 | void uburma_umap_priv_init(struct uburma_umap_priv *priv, | ^~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/uburma/uburma_mmap.c:42:6: warning: no previous prototype for 'uburma_unmap_vma_pages' [-Wmissing-prototypes] 42 | void uburma_unmap_vma_pages(struct uburma_file *ufile) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/ub/urma/uburma/uburma_mmap.c:157:36: warning: no previous prototype for 'uburma_get_umap_ops' [-Wmissing-prototypes] 157 | const struct vm_operations_struct *uburma_get_umap_ops(void) | ^~~~~~~~~~~~~~~~~~~

vim +/strncpy +89 drivers/ub/urma/ubcore/ubcore_netlink.c 72 73 static struct ubcore_nl_session *ubcore_create_nl_session(struct ubcore_device *dev, 74 struct ubcore_nlmsg *req) 75 { 76 struct ubcore_nl_session *s; 77 unsigned long flags; 78 79 s = kzalloc(sizeof(struct ubcore_nl_session), GFP_KERNEL); 80 if (s == NULL) 81 return NULL; 82 83 s->req = req; 84 spin_lock_irqsave(&g_nl_session_lock, flags); 85 list_add_tail(&s->node, &g_nl_session_list); 86 spin_unlock_irqrestore(&g_nl_session_lock, flags); 87 kref_init(&s->kref); 88 init_completion(&s->comp);

89 (void)strncpy(s->dev_name, dev->dev_name, UBCORE_MAX_DEV_NAME - 1); 90 91 return s; 92 } 93 94 static void ubcore_free_nl_session(struct kref *kref) 95 { 96 struct ubcore_nl_session *s = container_of(kref, struct ubcore_nl_session, kref); 97 unsigned long flags; 98 99 spin_lock_irqsave(&g_nl_session_lock, flags); 100 list_del(&s->node); 101 spin_unlock_irqrestore(&g_nl_session_lock, flags); 102 kfree(s); 103 } 104 105 static inline void ubcore_destroy_nl_session(struct ubcore_nl_session *s) 106 { 107 (void)kref_put(&s->kref, ubcore_free_nl_session); 108 } 109 110 static struct ubcore_nl_session *ubcore_find_nl_session(uint32_t nlmsg_seq) 111 { 112 struct ubcore_nl_session *tmp, *target = NULL; 113 unsigned long flags; 114 115 spin_lock_irqsave(&g_nl_session_lock, flags); 116 list_for_each_entry(tmp, &g_nl_session_list, node) { 117 if (tmp->req->nlmsg_seq == nlmsg_seq) { 118 target = tmp; 119 kref_get(&target->kref); 120 break; 121 } 122 } 123 spin_unlock_irqrestore(&g_nl_session_lock, flags); 124 return target; 125 } 126 127 static struct ubcore_nlmsg *ubcore_get_genlmsg_data(struct genl_info *info) 128 { 129 struct ubcore_nlmsg *msg; 130 uint32_t payload_len = 0; 131 132 if (!info->attrs[UBCORE_MSG_SEQ] || !info->attrs[UBCORE_PAYLOAD_LEN]) 133 return NULL; 134 135 payload_len = nla_get_u32(info->attrs[UBCORE_PAYLOAD_LEN]); 136 if (payload_len > UBCORE_MAX_NL_MSG_BUF_LEN) { 137 ubcore_log_err("Invalid payload len: %d", payload_len); 138 return NULL; 139 } 140 141 msg = kzalloc((size_t)(sizeof(struct ubcore_nlmsg) + payload_len), GFP_KERNEL); 142 if (msg == NULL) 143 return NULL; 144 145 msg->payload_len = payload_len; 146 msg->nlmsg_seq = nla_get_u32(info->attrs[UBCORE_MSG_SEQ]); 147 if (info->attrs[UBCORE_MSG_TYPE]) 148 msg->msg_type = nla_get_u32(info->attrs[UBCORE_MSG_TYPE]); 149 150 if (info->attrs[UBCORE_TRANSPORT_TYPE]) 151 msg->transport_type = (enum ubcore_transport_type) 152 nla_get_u32(info->attrs[UBCORE_TRANSPORT_TYPE]); 153 154 if (info->attrs[UBORE_SRC_ID]) 155 (void)memcpy(&msg->src_eid, 156 nla_data(info->attrs[UBORE_SRC_ID]), UBCORE_EID_SIZE); 157 158 if (info->attrs[UBORE_DST_ID]) 159 (void)memcpy(&msg->dst_eid, 160 nla_data(info->attrs[UBORE_DST_ID]), UBCORE_EID_SIZE); 161 162 if (info->attrs[UBCORE_PAYLOAD_DATA]) { 163 (void)memcpy(msg->payload, 164 nla_data(info->attrs[UBCORE_PAYLOAD_DATA]), payload_len); 165 } 166 167 return msg; 168 } 169 170 int ubcore_tp_resp_ops(struct sk_buff *skb, struct genl_info *info) 171 { 172 struct ubcore_nl_session *s; 173 struct ubcore_nlmsg *resp; 174 175 resp = ubcore_get_genlmsg_data(info); 176 if (resp == NULL) { 177 ubcore_log_err("Failed to calloc and copy response"); 178 return -1; 179 } 180 s = ubcore_find_nl_session(resp->nlmsg_seq); 181 if (s == NULL) { 182 ubcore_log_err("Failed to find nl session with seq %u", resp->nlmsg_seq); 183 kfree(resp); 184 return -1; 185 } 186 s->resp = resp; 187 (void)kref_put(&s->kref, ubcore_free_nl_session); 188 complete(&s->comp); 189 return 0; 190 } 191 192 int ubcore_genl_unicast(struct ubcore_nlmsg *req, uint32_t len) 193 { 194 struct sk_buff *nl_skb; 195 struct nlmsghdr *nlh; 196 197 if (req == NULL || g_genl_port == UBCORE_NL_INVALID_PORT) { 198 ubcore_log_err("There are illegal parameters.\n"); 199 return -1; 200 } 201 202 /* create sk_buff */ 203 nl_skb = genlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 204 if (nl_skb == NULL) { 205 ubcore_log_err("failed to alloc.\n"); 206 return -1; 207 } 208 /* set genl head */ 209 nlh = genlmsg_put(nl_skb, g_genl_port, req->nlmsg_seq, &ubcore_genl_family, 0, 210 (uint8_t)req->msg_type); 211 if (nlh == NULL) { 212 ubcore_log_err("Failed to nlmsg put.\n"); 213 nlmsg_free(nl_skb); 214 return -1; 215 } 216 if (nla_put_u32(nl_skb, UBCORE_MSG_SEQ, req->nlmsg_seq) || 217 nla_put_u32(nl_skb, UBCORE_MSG_TYPE, (uint32_t)req->msg_type) || 218 nla_put_u32(nl_skb, UBCORE_TRANSPORT_TYPE, (uint32_t)req->transport_type) || 219 nla_put_u32(nl_skb, UBCORE_PAYLOAD_LEN, req->payload_len) || 220 nla_put(nl_skb, UBCORE_PAYLOAD_DATA, (int)req->payload_len, req->payload)) { 221 nlmsg_free(nl_skb); 222 return -1; 223 } 224 225 genlmsg_end(nl_skb, nlh); 226 ubcore_log_info("send genl msg type %d seq:%u payload_len %u", 227 (int)req->msg_type, req->nlmsg_seq, req->payload_len); 228 return nlmsg_unicast(g_genl_sock, nl_skb, g_genl_port); 229 } 230

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