struct oz_binding *binding;
binding = kmalloc(sizeof(struct oz_binding), GFP_KERNEL);
- if (binding) {
- binding->ptype.type = __constant_htons(OZ_ETHERTYPE);
- binding->ptype.func = oz_pkt_recv;
- if (net_dev && *net_dev) {
- memcpy(binding->name, net_dev, OZ_MAX_BINDING_LEN);
- oz_dbg(ON, "Adding binding: %s\n", net_dev);
- binding->ptype.dev =
- dev_get_by_name(&init_net, net_dev);
- if (binding->ptype.dev == NULL) {
- oz_dbg(ON, "Netdev %s not found\n", net_dev);
- kfree(binding);
- binding = NULL;
- }
- } else {
- oz_dbg(ON, "Binding to all netcards\n");
- memset(binding->name, 0, OZ_MAX_BINDING_LEN);
- binding->ptype.dev = NULL;
- }
- if (binding) {
- dev_add_pack(&binding->ptype);
- spin_lock_bh(&g_binding_lock);
- list_add_tail(&binding->link, &g_binding);
- spin_unlock_bh(&g_binding_lock);
+ if (!binding)
+ return;
+
+ binding->ptype.type = __constant_htons(OZ_ETHERTYPE);
+ binding->ptype.func = oz_pkt_recv;
+ if (net_dev && *net_dev) {
+ memcpy(binding->name, net_dev, OZ_MAX_BINDING_LEN);
+ oz_dbg(ON, "Adding binding: %s\n", net_dev);
+ binding->ptype.dev = dev_get_by_name(&init_net, net_dev);
+ if (binding->ptype.dev == NULL) {
+ oz_dbg(ON, "Netdev %s not found\n", net_dev);
+ kfree(binding);
+ return;
}
+ } else {
+ oz_dbg(ON, "Binding to all netcards\n");
+ memset(binding->name, 0, OZ_MAX_BINDING_LEN);
+ binding->ptype.dev = NULL;
}
+ dev_add_pack(&binding->ptype);
+ spin_lock_bh(&g_binding_lock);
+ list_add_tail(&binding->link, &g_binding);
+ spin_unlock_bh(&g_binding_lock);
}
/*