wg_send_buffer: return error if fd < 0

[collectd.git] / src / write_graphite.c

diff --git a/src/write_graphite.c b/src/write_graphite.c
index 3dc4df426a932bb191db1460905b9e8500d4f155..0f9a8bea86edd4828b9a47f06ad1fc62f40bec09 100644 (file)
--- 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)
     {