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can: mcba_usb: mcba_usb_start_xmit(): first fill skb, then pass to can_put_echo_skb()

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[ Upstream commit 81c9c8e0adef3285336b942f93287c554c89e6c6 ]

The driver has to first fill the skb with data and then handle it to
can_put_echo_skb(). This patch moves the can_put_echo_skb() down, right before
sending the skb out via USB.

Fixes: 51f3baad7d ("can: mcba_usb: Add support for Microchip CAN BUS Analyzer")
Cc: Remigiusz Kołłątaj <remigiusz.kollataj@mobica.com>
Link: https://lore.kernel.org/r/20201111221204.1639007-1-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Marc Kleine-Budde 2019-08-28 21:16:55 +02:00 • committed by Greg Kroah-Hartman
commit 4a6891e169
1 changed files with 2 additions and 2 deletions
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4
drivers/net/can/usb/mcba_usb.c
View file

@ -326,8 +326,6 @@ static netdev_tx_t mcba_usb_start_xmit(struct sk_buff *skb,
if (!ctx)
return NETDEV_TX_BUSY;
can_put_echo_skb(skb, priv->netdev, ctx->ndx);
if (cf->can_id & CAN_EFF_FLAG) {
/* SIDH | SIDL | EIDH | EIDL
* 28 - 21 | 20 19 18 x x x 17 16 | 15 - 8 | 7 - 0
@ -357,6 +355,8 @@ static netdev_tx_t mcba_usb_start_xmit(struct sk_buff *skb,
if (cf->can_id & CAN_RTR_FLAG)
usb_msg.dlc |= MCBA_DLC_RTR_MASK;
can_put_echo_skb(skb, priv->netdev, ctx->ndx);
err = mcba_usb_xmit(priv, (struct mcba_usb_msg *)&usb_msg, ctx);
if (err)
goto xmit_failed;