linux-kernel - [PATCH 3.2 14/18] net: asix: add missing flag to struct driver

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Message-ID: <lsq.1396827348.354125502@decadent.org.uk>
Date:	Mon, 07 Apr 2014 00:35:48 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org,
	"Bjørn Mork" <bjorn@...k.no>,
	"Emil Goode" <emilgoode@...il.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.2 14/18] net: asix: add missing flag to struct driver_info

3.2.57-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Emil Goode <emilgoode@...il.com>

commit d43ff4cd798911736fb39025ec8004284b1b0bc2 upstream.

The struct driver_info ax88178_info is assigned the function
asix_rx_fixup_common as it's rx_fixup callback. This means that
FLAG_MULTI_PACKET must be set as this function is cloning the
data and calling usbnet_skb_return. Not setting this flag leads
to usbnet_skb_return beeing called a second time from within
the rx_process function in the usbnet module.

Signed-off-by: Emil Goode <emilgoode@...il.com>
Reported-by: Bjørn Mork <bjorn@...k.no>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/net/usb/asix.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -1568,7 +1568,8 @@ static const struct driver_info ax88178_
 	.status = asix_status,
 	.link_reset = ax88178_link_reset,
 	.reset = ax88178_reset,
-	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
+	.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+		 FLAG_MULTI_PACKET,
 	.rx_fixup = asix_rx_fixup_common,
 	.tx_fixup = asix_tx_fixup,
 };

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