From d2f0f424eeadc9df646bdad174eff6b4bc077023 Mon Sep 17 00:00:00 2001
From: Tanguy Pruvot <tanguy.pruvot@gmail.com>
Date: Thu, 7 Jul 2016 14:37:13 +0200
Subject: [PATCH] stratum: dont try to send on closed sockets

---
 stratum/socket.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/stratum/socket.cpp b/stratum/socket.cpp
index 333f050..107b0ac 100644
--- a/stratum/socket.cpp
+++ b/stratum/socket.cpp
@@ -157,6 +157,11 @@ int socket_send(YAAMP_SOCKET *s, const char *format, ...)
 	vsprintf(buffer, format, args);
 	va_end(args);
 
+	if(!s) {
+		errno = EINVAL;
+		return -1;
+	}
+
 //	json_value *json = json_parse(buffer, strlen(buffer));
 //	if(!json)
 //		debuglog("sending bad json message: %s\n", buffer);