Commit fa843095 authored Dec 28, 2011 by Stephen Hemminger Committed by David S. Miller Dec 28, 2011

genetlink: add auto module loading

When testing L2TP support, I discovered that the l2tp module is not autoloaded
as are other netlink interfaces. There is because of lack of hook in genetlink to call
request_module and load the module.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 7ffbcecb

net/netlink/genetlink.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -792,6 +792,15 @@ static int ctrl_getfamily(struct sk_buff skb, struct genl_info info)

		name = nla_data(info->attrs[CTRL_ATTR_FAMILY_NAME]);
		res = genl_family_find_byname(name);
		#ifdef CONFIG_MODULES
		if (res == NULL) {
		genl_unlock();
		request_module("net-pf-%d-proto-%d-type-%s",
		PF_NETLINK, NETLINK_GENERIC, name);
		genl_lock();
		res = genl_family_find_byname(name);
		}
		#endif
		err = -ENOENT;
		}