[PATCH v2 1/2] clocksource: sh_tmu: Release clock when sh_tmu_register() fails

Laurent Pinchart laurent.pinchart+renesas at ideasonboard.com
Tue Oct 29 10:31:36 EDT 2013


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

Cc: Daniel Lezcano <daniel.lezcano at linaro.org>
Cc: linux-kernel at vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
---
 drivers/clocksource/sh_tmu.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 78b8dae..1597837 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -475,9 +475,16 @@ static int sh_tmu_setup(struct sh_tmu_priv *p, struct platform_device *pdev)
 	p->cs_enabled = false;
 	p->enable_count = 0;
 
-	return sh_tmu_register(p, (char *)dev_name(&p->pdev->dev),
-			       cfg->clockevent_rating,
-			       cfg->clocksource_rating);
+	ret = sh_tmu_register(p, (char *)dev_name(&p->pdev->dev),
+			      cfg->clockevent_rating,
+			      cfg->clocksource_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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