net: replace %p6 with %pI6

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 191c06b..04909e4 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2346,7 +2346,7 @@
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	else if (sk->sk_family == AF_INET6) {
 		struct ipv6_pinfo *np = inet6_sk(sk);
-		printk(KERN_DEBUG "Undo %s %p6/%u c%u l%u ss%u/%u p%u\n",
+		printk(KERN_DEBUG "Undo %s %pI6/%u c%u l%u ss%u/%u p%u\n",
 		       msg,
 		       &np->daddr, ntohs(inet->dport),
 		       tp->snd_cwnd, tcp_left_out(tp),