rtc: mxc: fix memory leak

Free pdata before exit.  Found by cppcheck.

[[email protected]: add missing iounmap()]
Signed-off-by: Alexander Beregalov <[email protected]>
Reviewed-by: WANG Cong <[email protected]>
Acked-by: Daniel Mack <[email protected]>
Acked-by: Alessandro Zummo <[email protected]>
Cc Yoichi Yuasa <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index 6bd5072d4eb7f4056c226e7982972080fb4f18ff..8710f9415d98ce35a42757b6974065d80c784f2c 100644 (file)
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -396,8 +396,11 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
        pdata->ioaddr = ioremap(res->start, resource_size(res));
 
        clk = clk_get(&pdev->dev, "ckil");
-       if (IS_ERR(clk))
-               return PTR_ERR(clk);
+       if (IS_ERR(clk)) {
+               iounmap(pdata->ioaddr);
+               ret = PTR_ERR(clk);
+               goto exit_free_pdata;
+       }
 
        rate = clk_get_rate(clk);
        clk_put(clk);