svn commit: r185826 - user/kmacy/head_arpv2/sys/netinet

[Kip Macy]

Author: kmacy
Date: Wed Dec 10 02:59:09 2008
New Revision: 185826
URL: http://svn.freebsd.org/changeset/base/185826

Log:
  only downgrade if we hold the lock exclusively

Modified:
  user/kmacy/head_arpv2/sys/netinet/if_ether.c

Modified: user/kmacy/head_arpv2/sys/netinet/if_ether.c
==============================================================================
--- user/kmacy/head_arpv2/sys/netinet/if_ether.c	Wed Dec 10 02:32:06 2008	(r185825)
+++ user/kmacy/head_arpv2/sys/netinet/if_ether.c	Wed Dec 10 02:59:09 2008	(r185826)
@@ -339,7 +339,7 @@ retry:
 		if (la->la_hold)
 			m_freem(la->la_hold);
 		la->la_hold = m;
-		if (renew == 0) {
+		if (renew == 0 && (flags & LLE_EXCLUSIVE)) {
 			flags &= ~LLE_EXCLUSIVE;
 			LLE_DOWNGRADE(la);
 		}