- if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING))
- inet_forward_change(net);
- else if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING))
- rt_cache_flush(0);
+ if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING)) {
+ rtnl_lock();
+ if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING)) {
+ inet_forward_change(net);
+ } else if (*valp) {
+ struct ipv4_devconf *cnf = ctl->extra1;
+ struct in_device *idev =
+ container_of(cnf, struct in_device, cnf);
+ dev_disable_lro(idev->dev);
+ }
+ rtnl_unlock();
+ rt_cache_flush(net, 0);
+ }