diff mbox

[1/2] rcar_can: print request_irq() error code

Message ID 1636106.QZXWqHuxCQ@wasted.cogentembedded.com (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show

Commit Message

Sergei Shtylyov June 20, 2015, 12:50 a.m. UTC 
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>

---
 drivers/net/can/rcar_can.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)


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diff mbox

Patch

Index: linux-can/drivers/net/can/rcar_can.c
===================================================================
--- linux-can.orig/drivers/net/can/rcar_can.c
+++ linux-can/drivers/net/can/rcar_can.c
@@ -527,7 +527,8 @@  static int rcar_can_open(struct net_devi
 	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);