From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Sun, 5 Jun 2016 12:36:36 +0000 (+0200)
Subject: wg_send_buffer: return error if fd < 0
X-Git-Tag: collectd-5.6.0~228^2
X-Git-Url: https://git.octo.it/?p=collectd.git;a=commitdiff_plain;h=dc928d299a9eb019e4701d53a7a13dc2cb2789e5

wg_send_buffer: return error if fd < 0

CID 116310
---

diff --git a/src/write_graphite.c b/src/write_graphite.c
index 3dc4df42..0f9a8bea 100644
--- a/src/write_graphite.c
+++ b/src/write_graphite.c
@@ -137,6 +137,9 @@ static int wg_send_buffer (struct wg_callback *cb)
 {
     ssize_t status;
 
+    if (cb->sock_fd < 0)
+        return (-1);
+
     status = swrite (cb->sock_fd, cb->send_buf, strlen (cb->send_buf));
     if (status != 0)
     {