From 1d5a2aa48778960fc9b5ab0b39f83a5322c3f754 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sat, 11 Jul 2015 02:35:49 +0200
Subject: tftpd: count only options we understand so we wont send empty oack
 message

---
 sys/src/cmd/ip/tftpd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/src/cmd/ip/tftpd.c b/sys/src/cmd/ip/tftpd.c
index 7a6ec6f77..e0569b959 100644
--- a/sys/src/cmd/ip/tftpd.c
+++ b/sys/src/cmd/ip/tftpd.c
@@ -301,12 +301,13 @@ options(int fd, char *buf, int bufsz, char *file, ushort oper, char *p, int dlen
 			break;
 		dlen -= vallen;
 
-		nopts++;
 		olen = 0;
 		op = handleopt(fd, p, val);
 		if (op == nil)
 			continue;
 
+		nopts++;
+
 		/* append OACK response to buf */
 		nmlen = emits(p, bp, ep);	/* option name */
 		if (nmlen < 0)
-- 
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