kern/159602: commit references a PR

[dfilter service]

The following reply was made to PR kern/159602; it has been noted by GNATS.

From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: kern/159602: commit references a PR
Date: Fri,  7 Oct 2011 22:22:29 +0000 (UTC)

 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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