diff options
author | Stefan Mätje <Stefan.Maetje@esd.eu> | 2017-10-18 13:25:17 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-27 10:38:06 +0200 |
commit | 587d7faf6f0ef7a67db518e93934fb5d920265fd (patch) | |
tree | 8896a81a2c2b2ec91c2fe1e766cebe61ebee255f | |
parent | dc1858a8e56f2ee9697d9cc5d062f68894ef006e (diff) |
can: esd_usb2: Fix can_dlc value for received RTR, frames
commit 72d92e865d1560723e1957ee3f393688c49ca5bf upstream.
The dlc member of the struct rx_msg contains also the ESD_RTR flag to
mark received RTR frames. Without the fix the can_dlc value for received
RTR frames would always be set to 8 by get_can_dlc() instead of the
received value.
Fixes: 96d8e90382dc ("can: Add driver for esd CAN-USB/2 device")
Signed-off-by: Stefan Mätje <stefan.maetje@esd.eu>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/net/can/usb/esd_usb2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index be928ce62d32..9fdb0f0bfa06 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -333,7 +333,7 @@ static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv, } cf->can_id = id & ESD_IDMASK; - cf->can_dlc = get_can_dlc(msg->msg.rx.dlc); + cf->can_dlc = get_can_dlc(msg->msg.rx.dlc & ~ESD_RTR); if (id & ESD_EXTID) cf->can_id |= CAN_EFF_FLAG; |