[PATCH] tty: serial: 8250: add missing pci_dev_put() before return

[Qing Wang <wangqing@xxxxxxxx>]

From: Wang Qing <wangqing@xxxxxxxx>

pci_get_slot() increases its reference count, the caller must
decrement the reference count by calling pci_dev_put()

Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
---
 drivers/tty/serial/8250/8250_lpss.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c
index d3bafec..57e462f
--- a/drivers/tty/serial/8250/8250_lpss.c
+++ b/drivers/tty/serial/8250/8250_lpss.c
@@ -149,6 +149,8 @@ static int byt_serial_setup(struct lpss8250 *lpss, struct uart_port *port)
 	/* Disable TX counter interrupts */
 	writel(BYT_TX_OVF_INT_MASK, port->membase + BYT_TX_OVF_INT);
 
+	pci_dev_put(dma_dev);
+
 	return 0;
 }
 
-- 
2.7.4