From 7c5977d9f717f402dfb44bb8dfb6d9e2c35e35d7 Mon Sep 17 00:00:00 2001
From: Simon Duquennoy <simon.duquennoy@ri.se>
Date: Thu, 4 Oct 2018 10:43:41 +0200
Subject: [PATCH] tsch_init: check that a timeslot timing template is provided

---
 os/net/mac/tsch/tsch.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/os/net/mac/tsch/tsch.c b/os/net/mac/tsch/tsch.c
index 7dbb0a7ce..e78b888d0 100644
--- a/os/net/mac/tsch/tsch.c
+++ b/os/net/mac/tsch/tsch.c
@@ -899,6 +899,12 @@ tsch_init(void)
   radio_value_t radio_tx_mode;
   rtimer_clock_t t;
 
+  /* Check that the platform provides a TSCH timeslot timing template */
+  if(TSCH_DEFAULT_TIMESLOT_TIMING == NULL) {
+    LOG_ERR("! platform does not provide a timeslot timing template.\n");
+    return;
+  }
+
   /* Radio Rx mode */
   if(NETSTACK_RADIO.get_value(RADIO_PARAM_RX_MODE, &radio_rx_mode) != RADIO_RESULT_OK) {
     LOG_ERR("! radio does not support getting RADIO_PARAM_RX_MODE. Abort init.\n");