PM / devfreq: exynos-ppmu: fix error path in exynos_ppmu_probe()

iounmap() needs to be called in case of memory allocation
(for devfreq-event devices) failure.  Fix it.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index 12d1aa7..1b9cfca 100644 (file)
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -479,7 +479,8 @@ static int exynos_ppmu_probe(struct platform_device *pdev)
        if (!info->edev) {
                dev_err(&pdev->dev,
                        "failed to allocate memory devfreq-event devices\n");
-               return -ENOMEM;
+               ret = -ENOMEM;
+               goto err;
        }
        edev = info->edev;
        platform_set_drvdata(pdev, info);