diff options
| author | Sebastian Haas <haas@ems-wuensche.com> | 2009-11-04 05:48:33 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-06 20:26:07 -0800 |
| commit | 2b2072e902848a63168570f500a5726744b3873a (patch) | |
| tree | 754df0db6446ed1f53e59002b5137a792be5eaff | |
| parent | 4f2aa89cd263932d61f286307771996df76bf63e (diff) | |
| download | linux-2b2072e902848a63168570f500a5726744b3873a.tar.bz2 | |
ems_usb: Fix byte order issues on big endian machines
CPC-USB is using a ARM7 core with little endian byte order. The "id" field
in can_msg needs byte order conversion from/to CPU byte order.
Signed-off-by: Sebastian Haas <haas@ems-wuensche.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/can/usb/ems_usb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 9012e0abc626..abdbd9c2b788 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -319,7 +319,7 @@ static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg) cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame)); - cf->can_id = msg->msg.can_msg.id; + cf->can_id = le32_to_cpu(msg->msg.can_msg.id); cf->can_dlc = min_t(u8, msg->msg.can_msg.length, 8); if (msg->type == CPC_MSG_TYPE_EXT_CAN_FRAME @@ -813,6 +813,9 @@ 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]; |