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can: flexcan: flexcan_open(): fix error path if flexcan_chip_start() fails

If flexcan_chip_start() in flexcan_open() fails, the interrupt is not freed,
this patch adds the missing cleanup.

Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2014-02-28 14:52:01 +01:00
parent 5be93bdda6
commit 7e9e148af0

View File

@ -868,7 +868,7 @@ static int flexcan_open(struct net_device *dev)
/* start chip and queuing */
err = flexcan_chip_start(dev);
if (err)
goto out_close;
goto out_free_irq;
can_led_event(dev, CAN_LED_EVENT_OPEN);
@ -877,6 +877,8 @@ static int flexcan_open(struct net_device *dev)
return 0;
out_free_irq:
free_irq(dev->irq, dev);
out_close:
close_candev(dev);
out_disable_per: