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From: Mikolaj Golub <trociny@FreeBSD.org>
Date: Sat, 1 Sep 2012 09:58:09 +0000 (UTC)
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Subject: svn commit: r239976 - stable/9/sys/netinet
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Author: trociny
Date: Sat Sep  1 09:58:09 2012
New Revision: 239976
URL: http://svn.freebsd.org/changeset/base/239976

Log:
  MFC r238084:
  
  Don't check for ifp != NULL before KASSERT, as ifp may not be NULL here
  (it is dereferenced below).
  
  Discussed with:	jhb

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

Modified: stable/9/sys/netinet/igmp.c
==============================================================================
--- stable/9/sys/netinet/igmp.c	Sat Sep  1 09:55:35 2012	(r239975)
+++ stable/9/sys/netinet/igmp.c	Sat Sep  1 09:58:09 2012	(r239976)
@@ -2284,13 +2284,11 @@ igmp_change_state(struct in_multi *inm)
 	 */
 	KASSERT(inm->inm_ifma != NULL, ("%s: no ifma", __func__));
 	ifp = inm->inm_ifma->ifma_ifp;
-	if (ifp != NULL) {
-		/*
-		 * Sanity check that netinet's notion of ifp is the
-		 * same as net's.
-		 */
-		KASSERT(inm->inm_ifp == ifp, ("%s: bad ifp", __func__));
-	}
+	/*
+	 * Sanity check that netinet's notion of ifp is the
+	 * same as net's.
+	 */
+	KASSERT(inm->inm_ifp == ifp, ("%s: bad ifp", __func__));
 
 	IGMP_LOCK();