linux-kernel - [PATCH] regulator: ab8500: Don't update is

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Date:	Tue, 26 Mar 2013 15:58:20 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Bengt Jonsson <bengt.g.jonsson@...ricsson.com>,
	Lee Jones <lee.jones@...aro.org>,
	Yvan FILLION <yvan.fillion@...ricsson.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] regulator: ab8500: Don't update is_enabled flag in error
 paths

This avoid setting is_enabled flag to wrong status if enable/disable fails.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/ab8500.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index 12e2740..5e7e84b 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -121,7 +121,8 @@ static int ab8500_regulator_enable(struct regulator_dev *rdev)
 		dev_err(rdev_get_dev(rdev),
 			"couldn't set enable bits for regulator\n");
 
-	info->is_enabled = true;
+	if (ret == 0)
+		info->is_enabled = true;
 
 	dev_vdbg(rdev_get_dev(rdev),
 		"%s-enable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
@@ -148,7 +149,8 @@ static int ab8500_regulator_disable(struct regulator_dev *rdev)
 		dev_err(rdev_get_dev(rdev),
 			"couldn't set disable bits for regulator\n");
 
-	info->is_enabled = false;
+	if (ret == 0)
+		info->is_enabled = false;
 
 	dev_vdbg(rdev_get_dev(rdev),
 		"%s-disable (bank, reg, mask, value): 0x%x, 0x%x, 0x%x, 0x%x\n",
-- 
1.7.10.4



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