[NETFILTER]: Fix two broken assertions

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/netfilter/ip_conntrack_core.c

@@ -590,7 +590,7 @@ init_conntrack(const struct ip_conntrack_tuple *tuple,
 		DEBUGP("conntrack: expectation arrives ct=%p exp=%p\n",
 			conntrack, expected);
 		/* Welcome, Mr. Bond.  We've been expecting you... */
-		IP_NF_ASSERT(master_ct(conntrack));
+		IP_NF_ASSERT(expected->expectant);
 		__set_bit(IPS_EXPECTED_BIT, &conntrack->status);
 		conntrack->master = expected;
 		expected->sibling = conntrack;

net/ipv4/netfilter/ip_nat_core.c

@@ -852,12 +852,8 @@ icmp_reply_translation(struct sk_buff **pskb,
 	}
 
 	/* Must be RELATED */
-	IP_NF_ASSERT((*pskb)->nfct
-		     - ((struct ip_conntrack *)(*pskb)->nfct->master)->infos
-		     == IP_CT_RELATED
-		     || (*pskb)->nfct
-		     - ((struct ip_conntrack *)(*pskb)->nfct->master)->infos
-		     == IP_CT_RELATED+IP_CT_IS_REPLY);
+	IP_NF_ASSERT((*pskb)->nfctinfo == IP_CT_RELATED ||
+		     (*pskb)->nfctinfo == IP_CT_RELATED+IP_CT_IS_REPLY);
 
 	/* Redirects on non-null nats must be dropped, else they'll
            start talking to each other without our translation, and be