[PATCH v2 1/2] clocksource: sh_mtu2: Release clock when sh_mtu2_register() fails

[Laurent Pinchart]

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

Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
---
 drivers/clocksource/sh_mtu2.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index 4aac9ee..e6cfb32 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:
-- 
1.8.1.5

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