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From: Kip Macy <kmacy@FreeBSD.org>
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Subject: svn commit: r186149 - head/sys/net
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Author: kmacy
Date: Tue Dec 16 00:20:15 2008
New Revision: 186149
URL: http://svn.freebsd.org/changeset/base/186149

Log:
  add macro for destroying an llentry's rwlock

Modified:
  head/sys/net/if_llatbl.h

Modified: head/sys/net/if_llatbl.h
==============================================================================
--- head/sys/net/if_llatbl.h	Tue Dec 16 00:18:04 2008	(r186148)
+++ head/sys/net/if_llatbl.h	Tue Dec 16 00:20:15 2008	(r186149)
@@ -81,6 +81,7 @@ struct llentry {
 #define	LLE_DOWNGRADE(lle)	rw_downgrade(&(lle)->lle_lock)
 #define	LLE_TRY_UPGRADE(lle)	rw_try_upgrade(&(lle)->lle_lock)
 #define	LLE_LOCK_INIT(lle)	rw_init_flags(&(lle)->lle_lock, "lle", RW_DUPOK)
+#define	LLE_LOCK_DESTROY(lle)	rw_destroy(&(lle)->lle_lock)
 #define	LLE_WLOCK_ASSERT(lle)	rw_assert(&(lle)->lle_lock, RA_WLOCKED)
 
 #define LLE_IS_VALID(lle)	(((lle) != NULL) && ((lle) != (void *)-1))
@@ -119,7 +120,7 @@ struct llentry {
 		LLE_WUNLOCK(lle);				\
 	}							\
 	/* guard against invalid refs */			\
-	lle = 0;						\
+	lle = NULL;						\
 } while (0)