Commit 986da7de authored by Malcolm Priestley's avatar Malcolm Priestley Committed by Greg Kroah-Hartman
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staging: vt6656: Return on isr0 when zero. 



When isr0 is zero there is nothing more todo so return and
pull following code in.

Signed-off-by: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/8dccc74d-d0bb-e8e7-df81-dfd81e3fd7d8@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3ce6b741

drivers/staging/vt6656/usbpipe.c

+23 −24
Original line number Diff line number Diff line
@@ -196,25 +196,25 @@ static void vnt_int_process_data(struct vnt_private *priv) 
	if (int_data->tsr3 & TSR_VALID)

		vnt_int_report_rate(priv, int_data->pkt3, int_data->tsr3);



	if (int_data->isr0 != 0) {

		if (int_data->isr0 & ISR_BNTX &&

		    priv->op_mode == NL80211_IFTYPE_AP)

	if (!int_data->isr0)

		return;



	if (int_data->isr0 & ISR_BNTX && priv->op_mode == NL80211_IFTYPE_AP)

		vnt_schedule_command(priv, WLAN_CMD_BECON_SEND);



	if (int_data->isr0 & ISR_TBTT &&

	    priv->hw->conf.flags & IEEE80211_CONF_PS) {

		if (!priv->wake_up_count)

				priv->wake_up_count =

					priv->hw->conf.listen_interval;

			priv->wake_up_count = priv->hw->conf.listen_interval;



		if (priv->wake_up_count)

			--priv->wake_up_count;



		/* Turn on wake up to listen next beacon */

		if (priv->wake_up_count == 1)

				vnt_schedule_command(priv,

						     WLAN_CMD_TBTT_WAKEUP);

			vnt_schedule_command(priv, WLAN_CMD_TBTT_WAKEUP);

	}



	priv->current_tsf = le64_to_cpu(int_data->tsf);



	low_stats->dot11RTSSuccessCount += int_data->rts_success;
@@ -222,7 +222,6 @@ static void vnt_int_process_data(struct vnt_private *priv) 
	low_stats->dot11ACKFailureCount += int_data->ack_fail;

	low_stats->dot11FCSErrorCount += int_data->fcs_err;

}

}



static void vnt_start_interrupt_urb_complete(struct urb *urb)

{