static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
				 struct brcmf_if *ifp,
				 struct cfg80211_wowlan *wowl)
{
	u32 wowl_config;
	struct brcmf_wowl_wakeind_le wowl_wakeind;
	u32 i;

	brcmf_dbg(TRACE, "Suspend, wowl config.\n");

	if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_ARP_ND))
		brcmf_configure_arp_nd_offload(ifp, false);
	brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->wowl.pre_pmmode);
	brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);

	wowl_config = 0;
	if (wowl->disconnect)
		wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
	if (wowl->magic_pkt)
		wowl_config |= BRCMF_WOWL_MAGIC;
	if ((wowl->patterns) && (wowl->n_patterns)) {
		wowl_config |= BRCMF_WOWL_NET;
		for (i = 0; i < wowl->n_patterns; i++) {
			brcmf_config_wowl_pattern(ifp, "add",
				(u8 *)wowl->patterns[i].pattern,
				wowl->patterns[i].pattern_len,
				(u8 *)wowl->patterns[i].mask,
				wowl->patterns[i].pkt_offset);
		}
	}
	if (wowl->nd_config) {
		brcmf_cfg80211_sched_scan_start(cfg->wiphy, ifp->ndev,
						wowl->nd_config);
		wowl_config |= BRCMF_WOWL_PFN_FOUND;

		cfg->wowl.nd_data_completed = false;
		cfg->wowl.nd_enabled = true;
		/* Now reroute the event for PFN to the wowl function. */
		brcmf_fweh_unregister(cfg->pub, BRCMF_E_PFN_NET_FOUND);
		brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
				    brcmf_wowl_nd_results);
	}
	if (wowl->gtk_rekey_failure)
		wowl_config |= BRCMF_WOWL_GTK_FAILURE;
	if (!test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
		wowl_config |= BRCMF_WOWL_UNASSOC;

	memcpy(&wowl_wakeind, "clear", 6);
	brcmf_fil_iovar_data_set(ifp, "wowl_wakeind", &wowl_wakeind,
				 sizeof(wowl_wakeind));
	brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
	brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
	brcmf_bus_wowl_config(cfg->pub->bus_if, true);
	cfg->wowl.active = true;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.