[PATCH] serial: mxs-auart: put the device when exit or error

[Huang Shijie]

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 at freescale.com>
---
 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