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-rw-r--r--net/core/rtnetlink.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index f0a520987085..e30e7ea0207d 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -384,6 +384,35 @@ void rtnl_unregister_all(int protocol)
}
EXPORT_SYMBOL_GPL(rtnl_unregister_all);
+int __rtnl_register_many(const struct rtnl_msg_handler *handlers, int n)
+{
+ const struct rtnl_msg_handler *handler;
+ int i, err;
+
+ for (i = 0, handler = handlers; i < n; i++, handler++) {
+ err = rtnl_register_internal(handler->owner, handler->protocol,
+ handler->msgtype, handler->doit,
+ handler->dumpit, handler->flags);
+ if (err) {
+ __rtnl_unregister_many(handlers, i);
+ break;
+ }
+ }
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(__rtnl_register_many);
+
+void __rtnl_unregister_many(const struct rtnl_msg_handler *handlers, int n)
+{
+ const struct rtnl_msg_handler *handler;
+ int i;
+
+ for (i = n - 1, handler = handlers + n - 1; i >= 0; i--, handler--)
+ rtnl_unregister(handler->protocol, handler->msgtype);
+}
+EXPORT_SYMBOL_GPL(__rtnl_unregister_many);
+
static LIST_HEAD(link_ops);
static const struct rtnl_link_ops *rtnl_link_ops_get(const char *kind)