From b726053982b54175cb9b44cc648cda7283fc156b Mon Sep 17 00:00:00 2001
From: Michael Cook <michael@episci.com>
Date: Sat, 13 Mar 2021 10:24:00 -0800
Subject: [PATCH] find_ulsch: Skip past null uslch[i]

With a small number of runs with 16 UEs, I've seen this
AssertFatal fail twice.

There are many other places in the code that simply skip over
ulsch[i] values that are NULL.
---
 openair1/PHY/LTE_TRANSPORT/dci_tools.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/openair1/PHY/LTE_TRANSPORT/dci_tools.c b/openair1/PHY/LTE_TRANSPORT/dci_tools.c
index 4b06f67bbe..0d5d5ad3f1 100644
--- a/openair1/PHY/LTE_TRANSPORT/dci_tools.c
+++ b/openair1/PHY/LTE_TRANSPORT/dci_tools.c
@@ -84,7 +84,8 @@ int16_t find_ulsch(uint16_t rnti, PHY_VARS_eNB *eNB,find_type_t type) {
   AssertFatal(eNB!=NULL,"eNB is null\n");
 
   for (i=0; i<NUMBER_OF_UE_MAX; i++) {
-    AssertFatal(eNB->ulsch[i]!=NULL,"eNB->ulsch[%d] is null\n",i);
+    if (eNB->ulsch[i] == NULL)
+      continue;
 
     if ((eNB->ulsch[i]->harq_mask >0) &&
         (eNB->ulsch[i]->rnti==rnti))       return i;