From 63813acb7ed0661b0315172fda85244953fb1994 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cenk=20G=C3=BCndo=C4=9Fan?= <cnkgndgn@gmail.com>
Date: Sat, 12 Dec 2015 04:11:48 +0100
Subject: [PATCH] posix_sockets: fix overflowing fd in close()

---
 sys/net/gnrc/conn/udp/gnrc_conn_udp.c | 1 +
 sys/posix/sockets/posix_sockets.c     | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sys/net/gnrc/conn/udp/gnrc_conn_udp.c b/sys/net/gnrc/conn/udp/gnrc_conn_udp.c
index 0aa921217..1ef54791d 100644
--- a/sys/net/gnrc/conn/udp/gnrc_conn_udp.c
+++ b/sys/net/gnrc/conn/udp/gnrc_conn_udp.c
@@ -56,6 +56,7 @@ void conn_udp_close(conn_udp_t *conn)
     assert(conn->l4_type == GNRC_NETTYPE_UDP);
     if (conn->netreg_entry.pid != KERNEL_PID_UNDEF) {
         gnrc_netreg_unregister(GNRC_NETTYPE_UDP, &conn->netreg_entry);
+        conn->netreg_entry.pid = KERNEL_PID_UNDEF;
     }
 }
 
diff --git a/sys/posix/sockets/posix_sockets.c b/sys/posix/sockets/posix_sockets.c
index d507ad972..a0837051f 100644
--- a/sys/posix/sockets/posix_sockets.c
+++ b/sys/posix/sockets/posix_sockets.c
@@ -255,6 +255,7 @@ static int socket_close(int socket)
                         res = -1;
                         break;
                 }
+                break;
             default:
                 res = -1;
                 break;