From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Fri, 8 Nov 2013 10:07:59 +0000 (+0100)
Subject: clocksource: sh_mtu2: Release clock when sh_mtu2_register() fails
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a4a5fc3b64cd553820d97667056506636eaaba77;p=linux-beck.git

clocksource: sh_mtu2: Release clock when sh_mtu2_register() fails

Fix the probe error path to release the clock resource when the
sh_mtu2_register() call fails.

Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---

diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index 4aac9ee0d0c0..e6cfb328eb2e 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -313,8 +313,15 @@ static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev)
 		goto err1;
 	}
 
-	return sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev),
-				cfg->clockevent_rating);
+	ret = sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev),
+			       cfg->clockevent_rating);
+	if (ret < 0)
+		goto err2;
+
+	return 0;
+
+ err2:
+	clk_put(p->clk);
  err1:
 	iounmap(p->mapbase);
  err0: