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>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 345304d779b9..ace103a44833 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -567,6 +567,7 @@ struct net_device *alloc_sja1000dev(int sizeof_priv)
         priv->can.bittiming_const = &sja1000_bittiming_const;
         priv->can.do_set_bittiming = sja1000_set_bittiming;
         priv->can.do_set_mode = sja1000_set_mode;
+        priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;
 
         if (sizeof_priv)
                 priv->priv = (void *)priv + sizeof(struct sja1000_priv);