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The call to can_put_echo_skb() may result in the skb being freed. The skb
is later used in the call to dev->ops->dev_frame_to_cmd().
This is avoided by moving the call to can_put_echo_skb() after
dev->ops->dev_frame_to_cmd().
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jimmy Assarsson <jimmyassarsson@gmail.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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If alloc_can_err_skb() fails, cf is never initialized.
Move assignment of cf inside check.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jimmy Assarsson <jimmyassarsson@gmail.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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serial_number_high can be removed from the struct since it is never used in
the USBcan II firmware.
Signed-off-by: Jimmy Assarsson <jimmyassarsson@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch adds support for a new Kvaser USB family, denoted hydra.
The hydra family currently contains USB devices with one CAN channel
up to five. There are devices with and without CAN FD support.
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Christer Beskow <chbe@kvaser.com>
Signed-off-by: Nicklas Johansson <extnj@kvaser.com>
Signed-off-by: Martin Henriksson <mh@kvaser.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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First part of adding support for Kvaser USB device family "hydra".
Split kvaser_usb.c into kvaser_usb/kvaser_usb{.h,_core.c,_leaf.c}.
kvaser_usb_core.c contains common functionality, such as USB
writing/reading and allocation of netdev.
kvaser_usb_leaf.c contains device specific code, used in
kvaser_usb_core.c.
struct kvaser_usb_dev_ops contains device specific functions that are
common for all devices in the family. While, struct kvaser_usb_dev_cfg
describes the device configurations in terms of CAN clock frequency,
timestamp frequency and CAN controller bittiming constants.
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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