From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Date: Tue, 28 Jun 2016 11:21:08 +0000 (+0900)
Subject: PM / devfreq: exynos-ppmu: fix error path in exynos_ppmu_probe()
X-Git-Tag: submit/tizen_4.0/20170920.004041~85
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e03b6b3d37923c42f3294807b4ad69dde296483d;p=platform%2Fkernel%2Flinux-exynos.git

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 12d1aa79eb5b..1b9cfca2e83c 100644
--- 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);