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Date:   Fri, 22 Mar 2019 12:15:26 +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, Lubomir Rintel <lkundrak@...sk>,
        Steve deRosier <derosier@...-sierra.com>,
        Kalle Valo <kvalo@...eaurora.org>
Subject: [PATCH 4.19 173/280] libertas_tf: dont set URB_ZERO_PACKET on IN USB transfer

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

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

From: Lubomir Rintel <lkundrak@...sk>

commit 607076a904c435f2677fadaadd4af546279db68b upstream.

It doesn't make sense and the USB core warns on each submit of such
URB, easily flooding the message buffer with tracebacks.

Analogous issue was fixed in regular libertas driver in commit 6528d8804780
("libertas: don't set URB_ZERO_PACKET on IN USB transfer").

Cc: stable@...r.kernel.org
Signed-off-by: Lubomir Rintel <lkundrak@...sk>
Reviewed-by: Steve deRosier <derosier@...-sierra.com>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/wireless/marvell/libertas_tf/if_usb.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/net/wireless/marvell/libertas_tf/if_usb.c
+++ b/drivers/net/wireless/marvell/libertas_tf/if_usb.c
@@ -433,8 +433,6 @@ static int __if_usb_submit_rx_urb(struct
 			  skb_tail_pointer(skb),
 			  MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, cardp);
 
-	cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
-
 	lbtf_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n",
 		cardp->rx_urb);
 	ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC);


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