From 3675d407ecf4908a231eb6bde6bb6408f20a9e81 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 15 Mar 2013 14:38:16 +0100
Subject: [PATCH] relay: add a missing buffer availability check

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
 relay.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/relay.c b/relay.c
index ba6b95a..83664e6 100644
--- a/relay.c
+++ b/relay.c
@@ -76,6 +76,9 @@ static void relay_process_headers(struct relay *r)
 		char *val;
 
 		buf = ustream_get_read_buf(s, &len);
+		if (!buf || !len)
+			break;
+
 		newline = strchr(buf, '\n');
 		if (!newline)
 			break;
-- 
2.11.0