From c7d4b98870d1bbcfd97f04611253ff743a6a7cff Mon Sep 17 00:00:00 2001
From: Frederik Van Slycken <frederik.van.slycken@gmail.com>
Date: Fri, 3 Feb 2017 18:43:50 +0100
Subject: [PATCH] radio_mgr signal handler : safe cleanup

---
 modules/pico_dev_radio_mgr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/pico_dev_radio_mgr.c b/modules/pico_dev_radio_mgr.c
index f299ffdfe..162caed6f 100644
--- a/modules/pico_dev_radio_mgr.c
+++ b/modules/pico_dev_radio_mgr.c
@@ -310,12 +310,12 @@ pico_radio_mgr_process(struct pollfd *fds, int n)
 static void
 pico_radio_mgr_quit(int signum)
 {
-    struct pico_tree_node *i = NULL;
+    struct pico_tree_node *i = NULL, *tmp = NULL;
     struct socket *key = NULL;
     IGNORE_PARAMETER(signum);
 
     dbg("Closing all sockets...");
-    pico_tree_foreach(i, &Sockets) {
+    pico_tree_foreach_safe(i, &Sockets, tmp) {
         key = i->keyValue;
         if (key) {
             pico_tree_delete(&Sockets, key);