serial: mxs-auart: put the device in the error path

The mxs_auart_probe() gets the device by the get_device().
So we should put the device in the error path to balance the
device's reference counter.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 68984136bfb18a11a38a342a78938f4edf880875..6db3baa39a976ec684716623d1d21251eb38b61e 100644 (file)
--- 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);