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From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Mon, 4 Nov 2013 08:20:07 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r257620 - head/sys/netpfil/pf
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Author: glebius
Date: Mon Nov  4 08:20:06 2013
New Revision: 257620
URL: http://svnweb.freebsd.org/changeset/base/257620

Log:
  Code logic of handling PFTM_PURGE into pf_find_state().

Modified:
  head/sys/netpfil/pf/pf.c

Modified: head/sys/netpfil/pf/pf.c
==============================================================================
--- head/sys/netpfil/pf/pf.c	Mon Nov  4 08:15:59 2013	(r257619)
+++ head/sys/netpfil/pf/pf.c	Mon Nov  4 08:20:06 2013	(r257620)
@@ -318,7 +318,7 @@ enum { PF_ICMP_MULTI_NONE, PF_ICMP_MULTI
 #define	STATE_LOOKUP(i, k, d, s, pd)					\
 	do {								\
 		(s) = pf_find_state((i), (k), (d));			\
-		if ((s) == NULL || (s)->timeout == PFTM_PURGE)		\
+		if ((s) == NULL)					\
 			return (PF_DROP);				\
 		if (PACKET_LOOPED(pd))					\
 			return (PF_PASS);				\
@@ -1230,11 +1230,11 @@ pf_find_state(struct pfi_kif *kif, struc
 		if (s->kif == V_pfi_all || s->kif == kif) {
 			PF_STATE_LOCK(s);
 			PF_HASHROW_UNLOCK(kh);
-			if (s->timeout == PFTM_UNLINKED) {
+			if (s->timeout >= PFTM_MAX) {
 				/*
-				 * State is being processed
-				 * by pf_unlink_state() in
-				 * an other thread.
+				 * State is either being processed by
+				 * pf_unlink_state() in an other thread, or
+				 * is scheduled for immediate expiry.
 				 */
 				PF_STATE_UNLOCK(s);
 				return (NULL);