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Commit 8a4b5b0f authored by Gerhard Uttenthaler's avatar Gerhard Uttenthaler Committed by Marc Kleine-Budde
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can: ems_usb: fix endianess of CAN ID 



The device expects the CAN ID in little endian format.

Signed-off-by: default avatarGerhard Uttenthaler <uttenthaler@ems-wuensche.com>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 9911674f

drivers/net/can/usb/ems_usb.c

+2 −5
Original line number Diff line number Diff line
@@ -123,7 +123,7 @@ MODULE_LICENSE("GPL v2"); 
 * CPC_MSG_TYPE_EXT_CAN_FRAME or CPC_MSG_TYPE_EXT_RTR_FRAME.

 */

struct cpc_can_msg {

	u32 id;

	__le32 id;

	u8 length;

	u8 msg[8];

};
@@ -765,7 +765,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne 


	msg = (struct ems_cpc_msg *)&buf[CPC_HEADER_SIZE];



	msg->msg.can_msg.id = cf->can_id & CAN_ERR_MASK;

	msg->msg.can_msg.id = cpu_to_le32(cf->can_id & CAN_ERR_MASK);

	msg->msg.can_msg.length = cf->can_dlc;



	if (cf->can_id & CAN_RTR_FLAG) {
@@ -783,9 +783,6 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne 
		msg->length = CPC_CAN_MSG_MIN_SIZE + cf->can_dlc;

	}



	/* Respect byte order */

	msg->msg.can_msg.id = cpu_to_le32(msg->msg.can_msg.id);



	for (i = 0; i < MAX_TX_URBS; i++) {

		if (dev->tx_contexts[i].echo_index == MAX_TX_URBS) {

			context = &dev->tx_contexts[i];