linux-kernel - [PATCH 4.9 33/87] rt2800usb: mark tx failure on timeout

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Message-Id: <20171113125618.360949727@linuxfoundation.org>
Date:   Mon, 13 Nov 2017 13:55:50 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Stanislaw Gruszka <sgruszka@...hat.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.9 33/87] rt2800usb: mark tx failure on timeout

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stanislaw Gruszka <sgruszka@...hat.com>


[ Upstream commit 1701221696764b6861d0ee66850812a8900b9b9b ]

If we do not get TX status in reasonable time, we most likely fail to
send frame hence mark it as so.

Signed-off-by: Stanislaw Gruszka <sgruszka@...hat.com>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/wireless/ralink/rt2x00/rt2800usb.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
@@ -646,10 +646,9 @@ static void rt2800usb_txdone_nostatus(st
 			    !test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
 				break;
 
-			if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
+			if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags) ||
+			    rt2800usb_entry_txstatus_timeout(entry))
 				rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
-			else if (rt2800usb_entry_txstatus_timeout(entry))
-				rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 			else
 				break;
 		}