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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2015-06-20 02:50:35 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2015-07-12 20:57:41 +0200
commitae185f19662565f5320e49247faab8752a977642 (patch)
treeb3bcc9cdcb17b0db59decd1a4ebaedd9dc6daff3 /drivers/net/can
parentcan: rcar_can: fix typo in error message (diff)
downloadlinux-ae185f19662565f5320e49247faab8752a977642.tar.xz
linux-ae185f19662565f5320e49247faab8752a977642.zip
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>
Diffstat (limited to 'drivers/net/can')
-rw-r--r--drivers/net/can/rcar_can.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/can/rcar_can.c b/drivers/net/can/rcar_can.c
index 310a0cd20679..5e81afffc073 100644
--- a/drivers/net/can/rcar_can.c
+++ b/drivers/net/can/rcar_can.c
@@ -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);