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can: rcar_can: print request_irq() error code 

Also print the error code when the request_irq() call fails in rcar_can_open(),
rewording  the error message...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Sergei Shtylyov 2015-06-20 03:50:35 +03:00 committed by Marc Kleine-Budde
parent 3255f68c13
commit ae185f1966
1 changed files with 2 additions and 1 deletions
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3
drivers/net/can/rcar_can.c
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@ -527,7 +527,8 @@ static int rcar_can_open(struct net_device *ndev)
napi_enable(&priv->napi);
err = request_irq(ndev->irq, rcar_can_interrupt, 0, ndev->name, ndev);
if (err) {
netdev_err(ndev, "error requesting interrupt %d\n", ndev->irq);
netdev_err(ndev, "request_irq(%d) failed, error %d\n",
ndev->irq, err);
goto out_close;
}
can_led_event(ndev, CAN_LED_EVENT_OPEN);