[PATCH 4.9 11/68] staging: vt6656: Fix false Tx excessive retries reporting.

Greg Kroah-Hartman
2020-02-03T16:26:43Z

From: Malcolm Priestley <tvboxspy@gmail.com>

commit 9dd631fa99dc0a0dfbd191173bf355ba30ea786a upstream.

The driver reporting IEEE80211_TX_STAT_ACK is not being handled
correctly. The driver should only report on TSR_TMO flag is not
set indicating no transmission errors and when not IEEE80211_TX_CTL_NO_ACK
is being requested.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/340f1f7f-c310-dca5-476f-abc059b9cd97@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/staging/vt6656/int.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/staging/vt6656/int.c
+++ b/drivers/staging/vt6656/int.c
@@ -107,9 +107,11 @@ static int vnt_int_report_rate(struct vn

info->status.rates[0].count = tx_retry;

- if (!(tsr & (TSR_TMO | TSR_RETRYTMO))) {
+ if (!(tsr & TSR_TMO)) {
info->status.rates[0].idx = idx;
- info->flags |= IEEE80211_TX_STAT_ACK;
+
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+ info->flags |= IEEE80211_TX_STAT_ACK;
}

ieee80211_tx_status_irqsafe(priv->hw, context->skb);