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staging: vt6656: Return on isr0 when zero.

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

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/8dccc74d-d0bb-e8e7-df81-dfd81e3fd7d8@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2020-05-01 11:43:25 +01:00 committed by Greg Kroah-Hartman
parent 3ce6b741bc
commit 986da7debb
1 changed files with 20 additions and 21 deletions
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41
drivers/staging/vt6656/usbpipe.c
View file

@ -196,32 +196,31 @@ 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)
vnt_schedule_command(priv, WLAN_CMD_BECON_SEND);
if (!int_data->isr0)
return;
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;
if (int_data->isr0 & ISR_BNTX && priv->op_mode == NL80211_IFTYPE_AP)
vnt_schedule_command(priv, WLAN_CMD_BECON_SEND);
if (priv->wake_up_count)
--priv->wake_up_count;
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;
/* Turn on wake up to listen next beacon */
if (priv->wake_up_count == 1)
vnt_schedule_command(priv,
WLAN_CMD_TBTT_WAKEUP);
}
priv->current_tsf = le64_to_cpu(int_data->tsf);
if (priv->wake_up_count)
--priv->wake_up_count;
low_stats->dot11RTSSuccessCount += int_data->rts_success;
low_stats->dot11RTSFailureCount += int_data->rts_fail;
low_stats->dot11ACKFailureCount += int_data->ack_fail;
low_stats->dot11FCSErrorCount += int_data->fcs_err;
/* Turn on wake up to listen next beacon */
if (priv->wake_up_count == 1)
vnt_schedule_command(priv, WLAN_CMD_TBTT_WAKEUP);
}
priv->current_tsf = le64_to_cpu(int_data->tsf);
low_stats->dot11RTSSuccessCount += int_data->rts_success;
low_stats->dot11RTSFailureCount += int_data->rts_fail;
low_stats->dot11ACKFailureCount += int_data->ack_fail;
low_stats->dot11FCSErrorCount += int_data->fcs_err;
}
static void vnt_start_interrupt_urb_complete(struct urb *urb)