From: Guus Sliepen <guus@meshlink.io>
Date: Fri, 30 Oct 2015 22:16:47 +0000 (+0100)
Subject: Ensure utcp_close() works properly on a socket that is in the CLOSED state.
X-Git-Url: http://git.meshlink.io/?p=utcp;a=commitdiff_plain;h=4e0031cf31b22f6cff80969c3e6e11c3c3001b04

Ensure utcp_close() works properly on a socket that is in the CLOSED state.
---

diff --git a/utcp.c b/utcp.c
index f2354b1..026fb31 100644
--- a/utcp.c
+++ b/utcp.c
@@ -1294,7 +1294,7 @@ int utcp_shutdown(struct utcp_connection *c, int dir) {
 }
 
 int utcp_close(struct utcp_connection *c) {
-	if(utcp_shutdown(c, SHUT_RDWR))
+	if(utcp_shutdown(c, SHUT_RDWR) && errno != ENOTCONN)
 		return -1;
 	c->recv = NULL;
 	c->poll = NULL;