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    Subject[PATCH 3.10 66/85] can: flexcan: flexcan_open(): fix error path if flexcan_chip_start() fails
    Date
    3.10-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    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
    @@ -862,7 +862,7 @@ static int flexcan_open(struct net_devic
    /* 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);

    @@ -871,6 +871,8 @@ 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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