From: Patrick McHardy Date: Fri, 19 Mar 2010 04:42:24 +0000 (+0000) Subject: net: rtnetlink: ignore NETDEV_PRE_TYPE_CHANGE in rtnetlink_event() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=755d0e77ac9c8d125388922dc33434ed5b2ebe80;p=linux-beck.git net: rtnetlink: ignore NETDEV_PRE_TYPE_CHANGE in rtnetlink_event() Ignore the new NETDEV_PRE_TYPE_CHANGE event in rtnetlink_event() since there have been no changes userspace needs to be notified of. Also add a comment to the netdev notifier event definitions to remind people to update the exclusion list when adding new event types. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- diff --git a/include/linux/notifier.h b/include/linux/notifier.h index f3635fc6e942..9c5d3fad01f3 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -182,7 +182,10 @@ static inline int notifier_to_errno(int ret) * VC switch chains (for loadable kernel svgalib VC switch helpers) etc... */ -/* netdevice notifier chain */ +/* netdevice notifier chain. Please remember to update the rtnetlink + * notification exclusion list in rtnetlink_event() when adding new + * types. + */ #define NETDEV_UP 0x0001 /* For now you can't veto a device up/down */ #define NETDEV_DOWN 0x0002 #define NETDEV_REBOOT 0x0003 /* Tell a protocol stack a network interface diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index e1121f0bca6a..ffc6cf3495ac 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1513,6 +1513,7 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi case NETDEV_POST_INIT: case NETDEV_REGISTER: case NETDEV_CHANGE: + case NETDEV_PRE_TYPE_CHANGE: case NETDEV_GOING_DOWN: case NETDEV_UNREGISTER: case NETDEV_UNREGISTER_BATCH: