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>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 68984136bfb1..6db3baa39a97 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);