From c19b796531142cc95f3dc58309616c4117e8df1c Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Tue, 29 Dec 1998 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1998-12-29

---
 ip/icmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ip/icmp.c b/ip/icmp.c
index 183dbc915fbfc76578eac3f307ac44296042850d..c7af8f3120d0a9952f673a3810f048187dcbecde 100644
--- a/ip/icmp.c
+++ b/ip/icmp.c
@@ -218,7 +218,7 @@ icmpnoconv(Fs *f, Block *bp)
 		return;
 	v4tov6(addr, p->src);
 	i = ipforme(f, addr);
-	if((i&Runi) == 0)
+	if(i != 0 && (i&Runi) == 0)
 		return;
 
 	netlog(f, Logicmp, "sending icmpnoconv -> %V\n", p->src);