From d54f3b1640ee23b5213ac870ca3de558f54e8247 Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Sun, 5 Jun 2016 13:53:17 +0200
Subject: [PATCH] swrite: return error if fd is negative

---
 src/daemon/common.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/daemon/common.c b/src/daemon/common.c
index f82efe33..4c271d34 100644
--- a/src/daemon/common.c
+++ b/src/daemon/common.c
@@ -273,6 +273,9 @@ ssize_t swrite (int fd, const void *buf, size_t count)
 	ptr   = (const char *) buf;
 	nleft = count;
 	
+	if (fd < 0)
+		return (-1);
+
 	/* checking for closed peer connection */
 	pfd.fd = fd;
 	pfd.events = POLLIN | POLLHUP;
-- 
2.11.0