brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
			   bool enabled, s32 timeout)
{
	s32 pm;
	s32 err = 0;
	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
	struct brcmf_if *ifp = netdev_priv(ndev);

	brcmf_dbg(TRACE, "Enter\n");

	/*
	 * Powersave enable/disable request is coming from the
	 * cfg80211 even before the interface is up. In that
	 * scenario, driver will be storing the power save
	 * preference in cfg struct to apply this to
	 * FW later while initializing the dongle
	 */
	cfg->pwr_save = enabled;
	if (!check_vif_up(ifp->vif)) {

		brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
		goto done;
	}

	pm = enabled ? PM_FAST : PM_OFF;
	/* Do not enable the power save after assoc if it is a p2p interface */
	if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
		brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
		pm = PM_OFF;
	}
	brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));

	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
	if (err) {
		if (err == -ENODEV)
			brcmf_err("net_device is not ready yet\n");
		else
			brcmf_err("error (%d)\n", err);
	}
done:
	brcmf_dbg(TRACE, "Exit\n");
	return err;
}

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.