svn commit: r348745 - head/sys/net

[Mark Johnston]

Author: markj
Date: Thu Jun  6 16:22:29 2019
New Revision: 348745
URL: https://svnweb.freebsd.org/changeset/base/348745

Log:
  Conditionalize an in_epoch() call on INVARIANTS.
  
  Its result is only used to determine whether to perform further
  INVARIANTS-only checks.  Remove a stale comment while here.
  
  Submitted by:	Sebastian Huber <sebastian.huber at embedded-brains.de>
  MFC after:	1 week

Modified:
  head/sys/net/if_lagg.c

Modified: head/sys/net/if_lagg.c
==============================================================================
--- head/sys/net/if_lagg.c	Thu Jun  6 16:20:50 2019	(r348744)
+++ head/sys/net/if_lagg.c	Thu Jun  6 16:22:29 2019	(r348745)
@@ -1955,12 +1955,10 @@ lagg_link_active(struct lagg_softc *sc, struct lagg_po
 	 * Search a port which reports an active link state.
 	 */
 
-	/*
-	 * This is called with either LAGG_RLOCK() held or
-	 * LAGG_XLOCK(sc) held.
-	 */
+#ifdef INVARIANTS
 	if (!in_epoch(net_epoch_preempt))
 		LAGG_XLOCK_ASSERT(sc);
+#endif
 
 	if (lp == NULL)
 		goto search;