qcacld-3.0: Add check to avoid warning

Add pointer check to avoid warning

Change-Id: I924a0bdd11daaaa8b21378aab0566b5dba73ca41
CRs-Fixed: 3719443

components/target_if/cp_stats/src/target_if_mc_cp_stats.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -1691,6 +1691,11 @@ target_if_set_pdev_stats_update_period(struct wlan_objmgr_psoc *psoc,
 
 	wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
 
+	if (!wmi_handle) {
+		cp_stats_err("wmi_handle is null");
+		return QDF_STATUS_E_INVAL;
+	}
+
 	pdev_param.param_id = wmi_pdev_param_pdev_stats_update_period;
 	pdev_param.param_value = val;
 	return wmi_unified_pdev_param_send(wmi_handle,