i.MX serial: fix init failure

Adds extra "out" label to probe function after calling .init form platform data.
Because .init can return error number caused by gpio request fail.

Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 6a29f9330a73..20189c447e92 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -1133,13 +1133,19 @@ static int serial_imx_probe(struct platform_device *pdev)
         if(pdata && (pdata->flags & IMXUART_HAVE_RTSCTS))
                 sport->have_rtscts = 1;
 
-        if (pdata->init)
-                pdata->init(pdev);
+        if (pdata->init) {
+                ret = pdata->init(pdev);
+                if (ret)
+                        goto clkput;
+        }
 
         uart_add_one_port(&imx_reg, &sport->port);
         platform_set_drvdata(pdev, &sport->port);
 
         return 0;
+clkput:
+        clk_put(sport->clk);
+        clk_disable(sport->clk);
 unmap:
         iounmap(sport->port.membase);
 free: