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

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Date:	Tue, 02 Apr 2013 20:56:16 +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-ext: Don't update info->is_enabled if
 write to register fails

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/ab8500-ext.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c
index 21b9bfb..7923e82 100644
--- a/drivers/regulator/ab8500-ext.c
+++ b/drivers/regulator/ab8500-ext.c
@@ -72,9 +72,11 @@ static int enable(struct ab8500_ext_regulator_info *info, u8 *regval)
 	ret = abx500_mask_and_set_register_interruptible(info->dev,
 		info->update_bank, info->update_reg,
 		info->update_mask, *regval);
-	if (ret < 0)
+	if (ret < 0) {
 		dev_err(rdev_get_dev(info->rdev),
 			"couldn't set enable bits for regulator\n");
+		return ret;
+	}
 
 	info->is_enabled = true;
 
@@ -117,9 +119,11 @@ static int disable(struct ab8500_ext_regulator_info *info, u8 *regval)
 	ret = abx500_mask_and_set_register_interruptible(info->dev,
 		info->update_bank, info->update_reg,
 		info->update_mask, *regval);
-	if (ret < 0)
+	if (ret < 0) {
 		dev_err(rdev_get_dev(info->rdev),
 			"couldn't set disable bits for regulator\n");
+		return ret;
+	}
 
 	info->is_enabled = false;
 
-- 
1.7.10.4



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