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>
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index ddb17e2..bfab283 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -1022,6 +1022,7 @@
dev->can.bittiming_const = &ems_usb_bittiming_const;
dev->can.do_set_bittiming = ems_usb_set_bittiming;
dev->can.do_set_mode = ems_usb_set_mode;
+ dev->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;
netdev->flags |= IFF_ECHO; /* we support local echo */