qcacld-3.0: Reduce stack frame size while setting multiple mc filter

Reduce stack frame size of target_if_pmo_set_multiple_mc_filter_req()
by allocating dynamic memory to struct pmo_mcast_filter_params.

Change-Id: Ib1ffb61aae30eda42340856a04cbbbf5a8162935
CRs-Fixed: 2864893

components/target_if/pmo/src/target_if_pmo_mc_addr_filtering.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2018, 2021 The Linux Foundation. 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
@@ -118,7 +118,7 @@ QDF_STATUS target_if_pmo_set_multiple_mc_filter_req(
 {
 	uint8_t vdev_id;
 	struct wlan_objmgr_psoc *psoc;
-	struct pmo_mcast_filter_params filter_params;
+	struct pmo_mcast_filter_params *filter_params;
 	QDF_STATUS status;
 	wmi_unified_t wmi_handle;
 
@@ -134,25 +134,34 @@ QDF_STATUS target_if_pmo_set_multiple_mc_filter_req(
 		return QDF_STATUS_E_INVAL;
 	}
 
-	filter_params.multicast_addr_cnt = mc_list->mc_cnt;
-	qdf_mem_copy(filter_params.multicast_addr,
+	filter_params = qdf_mem_malloc(sizeof(*filter_params));
+	if (!filter_params) {
+		target_if_err("memory alloc failed for filter_params");
+		return QDF_STATUS_E_NOMEM;
+	}
+
+	filter_params->multicast_addr_cnt = mc_list->mc_cnt;
+	qdf_mem_copy(filter_params->multicast_addr,
 		     mc_list->mc_addr,
 		     mc_list->mc_cnt * ATH_MAC_LEN);
 	/* add one/multiple mc list */
-	filter_params.action = 1;
+	filter_params->action = 1;
 
 	wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
 	if (!wmi_handle) {
 		target_if_err("Invalid wmi handle");
+		qdf_mem_free(filter_params);
 		return QDF_STATUS_E_INVAL;
 	}
 
 	status = wmi_unified_multiple_add_clear_mcbc_filter_cmd(wmi_handle,
 								vdev_id,
-								&filter_params);
+								filter_params);
 	if (status)
 		target_if_err("Failed to send add/clear mcbc filter cmd");
 
+	qdf_mem_free(filter_params);
+
 	return status;
 }