qcacld-3.0: Add module enable check in pm_qos_notify

pm_qos_notify() should do nothing if WiFi module is not enabled.

Change-Id: I8eaf78f2ec547f33921c8337b9b3ae178c1709e1
CRs-Fixed: 2618148

core/hdd/src/wlan_hdd_power.c

@@ -951,8 +951,14 @@ int wlan_hdd_pm_qos_notify(struct notifier_block *nb, unsigned long curr_val,
 {
 	struct hdd_context *hdd_ctx = container_of(nb, struct hdd_context,
 						   pm_qos_notifier);
-	void *hif_ctx = cds_get_context(QDF_MODULE_ID_HIF);
+	void *hif_ctx;
+
+	if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) {
+		hdd_debug_rl("Driver Module closed; skipping pm qos notify");
+		return 0;
+	}
 
+	hif_ctx = cds_get_context(QDF_MODULE_ID_HIF);
 	if (!hif_ctx) {
 		hdd_err("Hif context is Null");
 		return -EINVAL;