can: fix return value from can_get_bittiming()
authorOliver Hartkopp <socketcan@hartkopp.net>
Wed, 23 Apr 2014 20:10:55 +0000 (22:10 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Thu, 24 Apr 2014 20:30:39 +0000 (22:30 +0200)
When trying to set a data bitrate on non CAN FD devices the 'ip' tool
answers with:

RTNETLINK answers: Unknown error 524

Rename '-ENOTSUPP' to '-EOPNOTSUPP' so that 'ip' answers correctly:

       RTNETLINK answers: Operation not supported

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/dev.c

index c7a260478749ad163ec133df88e7a0086b220a73..e318e87e2bfc00ba9e32aa08858de5f5c1629dcf 100644 (file)
@@ -256,7 +256,7 @@ static int can_get_bittiming(struct net_device *dev, struct can_bittiming *bt,
 
        /* Check if the CAN device has bit-timing parameters */
        if (!btc)
-               return -ENOTSUPP;
+               return -EOPNOTSUPP;
 
        /*
         * Depending on the given can_bittiming parameter structure the CAN