72 	struct smsg_callback *cb;  in smsg_message_pending()  local
95 		list_for_each_entry(cb, &smsg_list, list)  in smsg_message_pending()
96 			if (strncmp(buffer + 8, cb->prefix, cb->len) == 0) {  in smsg_message_pending()
97 				cb->callback(sender, buffer + 8);  in smsg_message_pending()
108 	struct smsg_callback *cb;  in smsg_register_callback()  local
110 	cb = kmalloc(sizeof(struct smsg_callback), GFP_KERNEL);  in smsg_register_callback()
111 	if (!cb)  in smsg_register_callback()
113 	cb->prefix = prefix;  in smsg_register_callback()
114 	cb->len = strlen(prefix);  in smsg_register_callback()
115 	cb->callback = callback;  in smsg_register_callback()
117 	list_add_tail(&cb->list, &smsg_list);  in smsg_register_callback()
126 	struct smsg_callback *cb, *tmp;  in smsg_unregister_callback()  local
129 	cb = NULL;  in smsg_unregister_callback()
133 			cb = tmp;  in smsg_unregister_callback()
134 			list_del(&cb->list);  in smsg_unregister_callback()
138 	kfree(cb);  in smsg_unregister_callback()