[PATCH net-next] ipv6: recreate ipv6 link-local addresses when increasing MTU over IPV6_MIN_MTU
From: Hannes Frederic Sowa <hidden>
Date: 2015-10-26 14:36:56
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
Take into consideration that the interface might be disabled for IPv6, thus switch event type. Signed-off-by: Hannes Frederic Sowa <redacted> --- net/ipv6/addrconf.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d0c685c..c2dcebe 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c@@ -3149,6 +3149,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, case NETDEV_UP: case NETDEV_CHANGE: +netdev_change: if (dev->flags & IFF_SLAVE) break;
@@ -3244,8 +3245,10 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, if (!idev && dev->mtu >= IPV6_MIN_MTU) { idev = ipv6_add_dev(dev); - if (!IS_ERR(idev)) - break; + if (!IS_ERR(idev)) { + event = NETDEV_UP; + goto netdev_change; + } } /*
--
2.5.0