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From:   Fuqian Huang <huangfq.daxian@gmail.com>
Cc:     Jonathan Cameron <jic23@kernel.org>, linux-iio@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Fuqian Huang <huangfq.daxian@gmail.com>
Subject: [PATCH 09/14] iio: imu: mpu6050: Replace devm_add_action() followed by failure action with devm_add_action_or_reset()
Date:   Mon,  8 Jul 2019 20:33:41 +0800
Message-Id: <20190708123341.12035-1-huangfq.daxian@gmail.com>
To:     unlisted-recipients:; (no To-header on input)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

devm_add_action_or_reset() is introduced as a helper function which 
internally calls devm_add_action(). If devm_add_action() fails 
then it will execute the action mentioned and return the error code.
This reduce source code size (avoid writing the action twice) 
and reduce the likelyhood of bugs.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
---
 drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 53a59957cc54..e067927317bd 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -1096,10 +1096,9 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
 	if (result)
 		return result;
 
-	result = devm_add_action(dev, inv_mpu_core_disable_regulator_action,
+	result = devm_add_action_or_reset(dev, inv_mpu_core_disable_regulator_action,
 				 st);
 	if (result) {
-		inv_mpu_core_disable_regulator_action(st);
 		dev_err(dev, "Failed to setup regulator cleanup action %d\n",
 			result);
 		return result;
-- 
2.11.0