avoid segfault in additional BWP configuration

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c

@@ -2192,8 +2192,8 @@ void configure_UE_BWP(gNB_MAC_INST *nr_mac,
     UL_BWP->transform_precoding = *UL_BWP->pusch_Config->transformPrecoder;
 
   if (UL_BWP->bwp_id > 0) {
-    UL_BWP->pucch_ConfigCommon = ul_bwp->bwp_Common->pucch_ConfigCommon->choice.setup;
-    UL_BWP->rach_ConfigCommon = ul_bwp->bwp_Common->rach_ConfigCommon->choice.setup;
+    UL_BWP->pucch_ConfigCommon = ul_bwp->bwp_Common->pucch_ConfigCommon ? ul_bwp->bwp_Common->pucch_ConfigCommon->choice.setup : NULL;
+    UL_BWP->rach_ConfigCommon = ul_bwp->bwp_Common->rach_ConfigCommon ? ul_bwp->bwp_Common->rach_ConfigCommon->choice.setup : NULL;
   } else {
     UL_BWP->pucch_ConfigCommon = scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup;
     UL_BWP->rach_ConfigCommon = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup;