can: flexcan: flexcan_open(): fix error path if flexcan_chip_start() fails
commit 7e9e148af01ef388efb6e2490805970be4622792 upstream.
If flexcan_chip_start() in flexcan_open() fails, the interrupt is not freed,
this patch adds the missing cleanup.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index eb4014a..75e9233 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -805,7 +805,7 @@
err = request_irq(dev->irq, flexcan_irq, IRQF_SHARED, dev->name, dev);
if (err)
- goto out_close;
+ goto out_free_irq;
/* start chip and queuing */
err = flexcan_chip_start(dev);
@@ -816,6 +816,8 @@
return 0;
+ out_free_irq:
+ free_irq(dev->irq, dev);
out_close:
close_candev(dev);
out: