| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.4 28/35] can: flexcan: flexcan_open(): fix error path if flexcan_chip_start() fails | Date | Thu, 20 Mar 2014 17:11:19 -0700 |
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3.4-stable review patch. If anyone has any objections, please let me know.
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From: Marc Kleine-Budde <mkl@pengutronix.de>
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>
--- drivers/net/can/flexcan.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -805,7 +805,7 @@ static int flexcan_open(struct net_devic 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 @@ static int flexcan_open(struct net_devic return 0; + out_free_irq: + free_irq(dev->irq, dev); out_close: close_candev(dev); out:
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