[PATCH] Fix hard_use for xfrm_state

[Herbert Xu <herbert@gondor.apana.org.au>]

As it stands, unless a state is used within a second of its creation, it
may never get expired via hard_use_expire_seconds.

This patch fixes that by using add_time if use_time is zero.

Thanks,
-- 
Debian GNU/Linux 3.0 is out! ( http://www.debian.org/ )
Email:  Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

Index: net/xfrm/xfrm_state.c
===================================================================
RCS file: /home/gondolin/herbert/src/CVS/debian/kernel-source-2.5/net/xfrm/xfrm_state.c,v
retrieving revision 1.1.1.3
diff -u -r1.1.1.3 xfrm_state.c
--- net/xfrm/xfrm_state.c	27 May 2003 08:38:41 -0000	1.1.1.3
+++ net/xfrm/xfrm_state.c	31 May 2003 23:04:09 -0000
@@ -112,9 +112,9 @@
 		if (tmo < next)
 			next = tmo;
 	}
-	if (x->lft.hard_use_expires_seconds && x->curlft.use_time) {
+	if (x->lft.hard_use_expires_seconds) {
 		long tmo = x->lft.hard_use_expires_seconds +
-			x->curlft.use_time - now;
+			(x->curlft.use_time ?: x->curlft.add_time) - now;
 		if (tmo <= 0)
 			goto expired;
 		if (tmo < next)