55 	struct smsg_callback *cb;  in smsg_message_pending()  local
78 		list_for_each_entry(cb, &smsg_list, list)  in smsg_message_pending()
79 			if (strncmp(buffer + 8, cb->prefix, cb->len) == 0) {  in smsg_message_pending()
80 				cb->callback(sender, buffer + 8);  in smsg_message_pending()
91 	struct smsg_callback *cb;  in smsg_register_callback()  local
93 	cb = kmalloc(sizeof(struct smsg_callback), GFP_KERNEL);  in smsg_register_callback()
94 	if (!cb)  in smsg_register_callback()
96 	cb->prefix = prefix;  in smsg_register_callback()
97 	cb->len = strlen(prefix);  in smsg_register_callback()
98 	cb->callback = callback;  in smsg_register_callback()
100 	list_add_tail(&cb->list, &smsg_list);  in smsg_register_callback()
109 	struct smsg_callback *cb, *tmp;  in smsg_unregister_callback()  local
112 	cb = NULL;  in smsg_unregister_callback()
116 			cb = tmp;  in smsg_unregister_callback()
117 			list_del(&cb->list);  in smsg_unregister_callback()
121 	kfree(cb);  in smsg_unregister_callback()