svn commit: r307078 - head/sys/net

[Sepherosa Ziehau]

Author: sephe
Date: Wed Oct 12 01:52:29 2016
New Revision: 307078
URL: https://svnweb.freebsd.org/changeset/base/307078

Log:
  ifnet: Use if_link_state snapshot to invoke ifnet_link_event
  
  So that everyone in this task have consistent view of link state.
  
  Reviewed by:	ae
  MFC after:	1 week
  Sponsored by:	Microsoft
  Differential Revision:	https://reviews.freebsd.org/D8214

Modified:
  head/sys/net/if.c

Modified: head/sys/net/if.c
==============================================================================
--- head/sys/net/if.c	Wed Oct 12 01:21:18 2016	(r307077)
+++ head/sys/net/if.c	Wed Oct 12 01:52:29 2016	(r307078)
@@ -2206,7 +2206,7 @@ do_link_state_change(void *arg, int pend
 	if (log_link_state_change)
 		log(LOG_NOTICE, "%s: link state changed to %s\n", ifp->if_xname,
 		    (link_state == LINK_STATE_UP) ? "UP" : "DOWN" );
-	EVENTHANDLER_INVOKE(ifnet_link_event, ifp, ifp->if_link_state);
+	EVENTHANDLER_INVOKE(ifnet_link_event, ifp, link_state);
 	CURVNET_RESTORE();
 }