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| author | Christian Pellegrin <chripell@fsfe.org> | 2010-01-14 07:08:34 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-01-15 01:39:17 -0800 |
| commit | ad72c347e56bf3a0231b9d686e17764157d2961c (patch) | |
| tree | 4db03a0abae50edfaf996f43e3f717a57b776fbd /drivers/net/can/dev.c | |
| parent | 1954dc11776ef8c06263ba4cd21bf4d25c79a19c (diff) | |
| download | op-kernel-dev-ad72c347e56bf3a0231b9d686e17764157d2961c.zip op-kernel-dev-ad72c347e56bf3a0231b9d686e17764157d2961c.tar.gz | |
can: Proper ctrlmode handling for CAN devices
This patch adds error checking of ctrlmode values for CAN devices. As
an example all availabe bits are implemented in the mcp251x driver.
Signed-off-by: Christian Pellegrin <chripell@fsfe.org>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/can/dev.c')
| -rw-r--r-- | drivers/net/can/dev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index c1bb29f..f08f120 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -592,6 +592,8 @@ static int can_changelink(struct net_device *dev, if (dev->flags & IFF_UP) return -EBUSY; cm = nla_data(data[IFLA_CAN_CTRLMODE]); + if (cm->flags & ~priv->ctrlmode_supported) + return -EOPNOTSUPP; priv->ctrlmode &= ~cm->mask; priv->ctrlmode |= cm->flags; } |
