From a7bd77944f3fddb4fa4c1022701ac4caf3704e46 Mon Sep 17 00:00:00 2001
From: Steffen Vogel <post@steffenvogel.de>
Date: Sat, 26 May 2018 01:12:00 +0200
Subject: [PATCH] websocket: fix possible segmention fault

---
 lib/nodes/websocket.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/nodes/websocket.c b/lib/nodes/websocket.c
index ee8e4d78a..1494851c6 100644
--- a/lib/nodes/websocket.c
+++ b/lib/nodes/websocket.c
@@ -290,8 +290,10 @@ int websocket_protocol_cb(struct lws *wsi, enum lws_callback_reasons reason, voi
 				int avail, enqueued;
 				struct websocket *w = (struct websocket *) n->_vd;
 				struct sample **smps = alloca(cnt * sizeof(struct sample *));
-				if (!smps)
+				if (!smps) {
 					warn("Failed to allocate memory for connection: %s", websocket_connection_name(c));
+					break;
+				}
 
 				avail = sample_alloc_many(&w->pool, smps, cnt);
 				if (avail < cnt)