qcacld-3.0: Fix uninitialized issue while BMI failed

Initialize gp_cds_context->cfg_ctx before any error case happened and
goto err_wma_close. Otherwise, in wma_wmi_service_close, it's trying to
free uninitialized gp_cds_context->cfg_ctx.

Change-Id: I822ecf77676b9d638c414afb544fdb41d7b1d146
CRs-Fixed: 2355042

core/cds/src/cds_api.c

@@ -601,6 +601,7 @@ QDF_STATUS cds_open(struct wlan_objmgr_psoc *psoc)
 		ucfg_mlme_set_sap_max_peers(psoc, cds_cfg->max_station);
 
 	HTCHandle = cds_get_context(QDF_MODULE_ID_HTC);
+	gp_cds_context->cfg_ctx = NULL;
 	if (!HTCHandle) {
 		cds_alert("HTCHandle is null!");
 

core/wma/src/wma_main.c

@@ -4673,7 +4673,8 @@ QDF_STATUS wma_wmi_service_close(void)
 	/* free the wma_handle */
 	cds_free_context(QDF_MODULE_ID_WMA, wma_handle);
 
-	qdf_mem_free(((struct cds_context *) cds_ctx)->cfg_ctx);
+	if (((struct cds_context *)cds_ctx)->cfg_ctx)
+		qdf_mem_free(((struct cds_context *)cds_ctx)->cfg_ctx);
 	((struct cds_context *)cds_ctx)->cfg_ctx = NULL;
 	WMA_LOGD("%s: Exit", __func__);
 	return QDF_STATUS_SUCCESS;