interfamily-state-selection-fix.patch

HIP：Host Identity Protocol

--- linux-2.6.16.5//net/key/af_key.c	2008-01-14 15:35:41.000000000 +0200
+++ beet-linux-2.6.16.5///net/key/af_key.c	2008-01-14 15:23:38.000000000 +0200
@@ -1169,6 +1169,9 @@
 		x->sel.prefixlen_s = addr->sadb_address_prefixlen;
 	}
 
+	if (!x->sel.family)
+		x->sel.family = x->props.family;
+
 	if (ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]) {
 		struct sadb_x_nat_t_type* n_type;
 		struct xfrm_encap_tmpl *natt;
--- linux-2.6.16.5//net/xfrm/xfrm_state.c	2008-01-14 15:35:41.000000000 +0200
+++ beet-linux-2.6.16.5///net/xfrm/xfrm_state.c	2008-01-14 15:24:12.000000000 +0200
@@ -344,7 +344,7 @@
 			      selector.
 			 */
 			if (x->km.state == XFRM_STATE_VALID) {
-				if (!xfrm_selector_match(&x->sel, fl, family) ||
+				if (!xfrm_selector_match(&x->sel, fl, x->sel.family) ||
 				    !xfrm_sec_ctx_match(pol->security, x->security))
 					continue;
 				if (!best ||
@@ -356,7 +356,7 @@
 				acquire_in_progress = 1;
 			} else if (x->km.state == XFRM_STATE_ERROR ||
 				   x->km.state == XFRM_STATE_EXPIRED) {
- 				if (xfrm_selector_match(&x->sel, fl, family) &&
+ 				if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
 				    xfrm_sec_ctx_match(pol->security, x->security))
 					error = -ESRCH;
 			}
--- linux-2.6.16.5//net/xfrm/xfrm_user.c	2008-01-14 15:35:41.000000000 +0200
+++ beet-linux-2.6.16.5///net/xfrm/xfrm_user.c	2008-01-14 15:25:51.000000000 +0200
@@ -274,6 +274,9 @@
 	x->props.family = p->family;
 	x->props.saddr = p->saddr;
 	x->props.flags = p->flags;
+
+	if (!x->sel.family)
+		x->sel.family = p->family;
 }
 
 static struct xfrm_state *xfrm_state_construct(struct xfrm_usersa_info *p,