[PATCH] Input: omap4-keypad: fix ref count leak if pm_runtime_get_sync fails

[Navid Emamdoost]

calling pm_runtime_get_sync increments the counter even in case of
failure, leading to incorrect ref count. In case of failure, decrement
the ref count before returning.

Signed-off-by: Navid Emamdoost <navid.emamdo...@gmail.com>
---
 drivers/input/keyboard/omap4-keypad.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/input/keyboard/omap4-keypad.c 
b/drivers/input/keyboard/omap4-keypad.c
index 94c94d7f5155..35ac788d9fa0 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -280,7 +280,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
        error = pm_runtime_get_sync(&pdev->dev);
        if (error) {
                dev_err(&pdev->dev, "pm_runtime_get_sync() failed\n");
-               goto err_unmap;
+               goto err_pm_put_sync;
        }
        rev = __raw_readl(keypad_data->base + OMAP4_KBD_REVISION);
        rev &= 0x03 << 30;
@@ -372,7 +372,6 @@ static int omap4_keypad_probe(struct platform_device *pdev)
        input_free_device(input_dev);
 err_pm_put_sync:
        pm_runtime_put_sync(&pdev->dev);
-err_unmap:
        iounmap(keypad_data->base);
 err_release_mem:
        release_mem_region(res->start, resource_size(res));
-- 
2.17.1