We call the get_device() in the mxs_auart_probe(). For the balance of the reference count, we should put the device in the mxs_auart_remove() or in the error path of probe. Signed-off-by: Huang Shijie <b32955@xxxxxxxxxxxxx> --- drivers/tty/serial/mxs-auart.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 3a667ee..203e512 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -781,6 +781,7 @@ out_free_irq: auart_port[pdev->id] = NULL; free_irq(s->irq, s); out_free_clk: + put_device(s->dev); clk_put(s->clk); out_free: kfree(s); @@ -796,6 +797,7 @@ static int __devexit mxs_auart_remove(struct platform_device *pdev) auart_port[pdev->id] = NULL; + put_device(s->dev); clk_put(s->clk); free_irq(s->irq, s); kfree(s); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html