static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
{
	struct brcmf_cfg80211_info *cfg = ifp->drvr->config;

	/*
	 * While going down, if associated with AP disassociate
	 * from AP to save power
	 */
	if (check_vif_up(ifp->vif)) {
		brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED);

		/* Make sure WPA_Supplicant receives all the event
		   generated due to DISASSOC call to the fw to keep
		   the state fw and WPA_Supplicant state consistent
		 */
		brcmf_delay(500);
	}

	brcmf_abort_scanning(cfg);
	clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);

	return 0;
}

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.