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linux-can-fixes-for-4.15-20180104

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Merge tag 'linux-can-fixes-for-4.15-20180104' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2018-01-04

this is a pull request for net/master consisting of 4 patches.

The first patch is by Oliver Hartkopp, it improves the error checking
during the creation of a vxcan link. Wolfgang Grandegger's patch for the
gs_usb driver fixes the return value of the "set_bittiming" callback.
Luu An Phu provides a patch for the flexcan driver to fix the frame
length check in the flexcan_start_xmit() function. The last patch is by
Martin Lederhilger for the ems_usb driver and improves the error
reporting for error warning and passive frames.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-01-05 13:48:00 -05:00
commit 3e6e867afe
4 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/can/flexcan.c
View File

@ -526,7 +526,7 @@ static int flexcan_start_xmit(struct sk_buff *skb, struct net_device *dev)
data = be32_to_cpup((__be32 *)&cf->data[0]);
flexcan_write(data, &priv->tx_mb->data[0]);
}
if (cf->can_dlc > 3) {
if (cf->can_dlc > 4) {
data = be32_to_cpup((__be32 *)&cf->data[4]);
flexcan_write(data, &priv->tx_mb->data[1]);
}

1
drivers/net/can/usb/ems_usb.c
View File

@ -395,6 +395,7 @@ static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg)
if (dev->can.state == CAN_STATE_ERROR_WARNING ||
dev->can.state == CAN_STATE_ERROR_PASSIVE) {
cf->can_id |= CAN_ERR_CRTL;
cf->data[1] = (txerr > rxerr) ?
CAN_ERR_CRTL_TX_PASSIVE : CAN_ERR_CRTL_RX_PASSIVE;
}

2
drivers/net/can/usb/gs_usb.c
View File

@ -449,7 +449,7 @@ static int gs_usb_set_bittiming(struct net_device *netdev)
dev_err(netdev->dev.parent, "Couldn't set bittimings (err=%d)",
rc);
return rc;
return (rc > 0) ? 0 : rc;
}
static void gs_usb_xmit_callback(struct urb *urb)

2
drivers/net/can/vxcan.c
View File

@ -194,7 +194,7 @@ static int vxcan_newlink(struct net *net, struct net_device *dev,
tbp = peer_tb;
}
if (tbp[IFLA_IFNAME]) {
if (ifmp && tbp[IFLA_IFNAME]) {
nla_strlcpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ);
name_assign_type = NET_NAME_USER;
} else {