diff mbox

[net-next,3/4] ipv6: Only act upon NETDEV_*_TYPE_CHANGE if we have ipv6 addresses

Message ID 1449173553-23784-4-git-send-email-andrew@lunn.ch (mailing list archive)
State Not Applicable, archived
Headers

Commit Message

Andrew Lunn Dec. 3, 2015, 8:12 p.m. UTC 
  An interface changing type may not have IPv6 addresses. Don't
call the address configuration type change in this case.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
---
 net/ipv6/addrconf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d84742f003a9..d2ab0f89a8d8 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3287,7 +3287,8 @@  static int addrconf_notify(struct notifier_block *this, unsigned long event,
 
 	case NETDEV_PRE_TYPE_CHANGE:
 	case NETDEV_POST_TYPE_CHANGE:
-		addrconf_type_change(dev, event);
+		if (idev)
+			addrconf_type_change(dev, event);
 		break;
 	}