svn commit: r279990 - stable/9/sys/netinet

[Andrey V. Elsukov]

Author: ae
Date: Sat Mar 14 14:44:03 2015
New Revision: 279990
URL: https://svnweb.freebsd.org/changeset/base/279990

Log:
  MFC r279730:
    lla_lookup() can directly call llentry_free() for static entries
    and the last one requires to hold afdata's wlock.
  
  PR:		197096

Modified:
  stable/9/sys/netinet/if_ether.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/netinet/if_ether.c
==============================================================================
--- stable/9/sys/netinet/if_ether.c	Sat Mar 14 14:38:25 2015	(r279989)
+++ stable/9/sys/netinet/if_ether.c	Sat Mar 14 14:44:03 2015	(r279990)
@@ -154,10 +154,10 @@ arp_ifscrub(struct ifnet *ifp, uint32_t 
 	addr4.sin_len    = sizeof(addr4);
 	addr4.sin_family = AF_INET;
 	addr4.sin_addr.s_addr = addr;
-	IF_AFDATA_RLOCK(ifp);
+	IF_AFDATA_WLOCK(ifp);
 	lla_lookup(LLTABLE(ifp), (LLE_DELETE | LLE_IFADDR),
 	    (struct sockaddr *)&addr4);
-	IF_AFDATA_RUNLOCK(ifp);
+	IF_AFDATA_WUNLOCK(ifp);
 }
 #endif