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Date:      Fri, 7 Oct 2011 22:22:19 +0000 (UTC)
From:      Qing Li <qingli@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r226120 - head/sys/netinet
Message-ID:  <201110072222.p97MMJ93030230@svn.freebsd.org>

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Author: qingli
Date: Fri Oct  7 22:22:19 2011
New Revision: 226120
URL: http://svn.freebsd.org/changeset/base/226120

Log:
  Do not try removing an ARP entry associated with a given interface
  address if that interface does not support ARP. Otherwise the
  system will generate error messages unnecessarily due to the missing
  entry.
  
  PR:		kern/159602
  Submitted by:	pluknet
  MFC after:	3 days

Modified:
  head/sys/netinet/in.c

Modified: head/sys/netinet/in.c
==============================================================================
--- head/sys/netinet/in.c	Fri Oct  7 22:14:18 2011	(r226119)
+++ head/sys/netinet/in.c	Fri Oct  7 22:22:19 2011	(r226120)
@@ -1138,7 +1138,8 @@ in_scrubprefix(struct in_ifaddr *target,
 			if (error == 0)
 				target->ia_flags &= ~IFA_RTSELF;
 		}
-		if (flags & LLE_STATIC)
+		if ((flags & LLE_STATIC) &&
+			!(target->ia_ifp->if_flags & IFF_NOARP))
 			/* remove arp cache */
 			arp_ifscrub(target->ia_ifp, IA_SIN(target)->sin_addr.s_addr);
 	}



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