linux-kernel - [PATCH] regulator: Fix double free in devm_regulator

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Date:	Fri, 15 Jun 2012 18:55:43 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Liam Girdwood <lrg@...com>
Cc:	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] regulator: Fix double free in devm_regulator_put()

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/regulator/core.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 63507a5..a2c5cfb 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1461,9 +1461,7 @@ void devm_regulator_put(struct regulator *regulator)
 
 	rc = devres_release(regulator->dev, devm_regulator_release,
 			    devm_regulator_match, regulator);
-	if (rc == 0)
-		regulator_put(regulator);
-	else
+	if (rc != 0)
 		WARN_ON(rc);
 }
 EXPORT_SYMBOL_GPL(devm_regulator_put);
-- 
1.7.10

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