From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 15 Jun 2012 17:25:08 +0000 (+0100)
Subject: regulator: Fix double free in devm_regulator_put()
X-Git-Tag: firefly_0821_release~3680^2~2413^2~12
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=230a5a1c41464f7fe5b676c21280ae4effa222c8;p=firefly-linux-kernel-4.4.55.git

regulator: Fix double free in devm_regulator_put()

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 663ebd534ef9..729b20d1c1de 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);