[XFRM]: Fix ICMP tempsel

The selector ports are initialized to fl_ip_sport/fl_ip_dport instead
of xfrm_flowi_sport(fl)/xfrm_flowi_dport(fl). This is wrong for ICMP,
type and code should be stored in sport and dport, in struct flowi both
are contained in fl_ip_sport.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/xfrm4_state.c

@@ -20,9 +20,9 @@ __xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
 {
 	x->sel.daddr.a4 = fl->fl4_dst;
 	x->sel.saddr.a4 = fl->fl4_src;
-	x->sel.dport = fl->fl_ip_dport;
+	x->sel.dport = xfrm_flowi_dport(fl);
 	x->sel.dport_mask = ~0;
-	x->sel.sport = fl->fl_ip_sport;
+	x->sel.sport = xfrm_flowi_sport(fl);
 	x->sel.sport_mask = ~0;
 	x->sel.prefixlen_d = 32;
 	x->sel.prefixlen_s = 32;

net/ipv6/xfrm6_state.c

@@ -27,9 +27,9 @@ __xfrm6_init_tempsel(struct xfrm_state *x, struct flowi *fl,
 	 * to current session. */
 	ipv6_addr_copy((struct in6_addr *)&x->sel.daddr, &fl->fl6_dst);
 	ipv6_addr_copy((struct in6_addr *)&x->sel.saddr, &fl->fl6_src);
-	x->sel.dport = fl->fl_ip_dport;
+	x->sel.dport = xfrm_flowi_dport(fl);
 	x->sel.dport_mask = ~0;
-	x->sel.sport = fl->fl_ip_sport;
+	x->sel.sport = xfrm_flowi_sport(fl);
 	x->sel.sport_mask = ~0;
 	x->sel.prefixlen_d = 128;
 	x->sel.prefixlen_s = 128;