bugfix: wrong CCE allocation

We have to not only ensure that the CCE is free but
also that it's below the number of availables CCEs
with respect to the current PDCCH size.

openair1/PHY/LTE_TRANSPORT/dci.c

@@ -2653,7 +2653,8 @@ int get_nCCE_offset_l1(int *CCE_table,
       search_space_free = 1;
 
       for (l=0; l<L; l++) {
-        if (CCE_table[(((Yk+m)%(nCCE/L))*L) + l] == 1) {
+        int cce = (((Yk+m)%(nCCE/L))*L) + l;
+        if (cce >= nCCE || CCE_table[cce] == 1) {
           search_space_free = 0;
           break;
         }

openair2/LAYER2/MAC/eNB_scheduler_primitives.c

@@ -990,7 +990,8 @@ int get_nCCE_offset(int *CCE_table,
       search_space_free = 1;
 
       for (l=0; l<L; l++) {
-        if (CCE_table[(((Yk+m)%(nCCE/L))*L) + l] == 1) {
+        int cce = (((Yk+m)%(nCCE/L))*L) + l;
+        if (cce >= nCCE || CCE_table[cce] == 1) {
           search_space_free = 0;
           break;
         }