linux-kernel - [PATCH 2/2] regulator: Handle missing constraints in _regulator

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Message-Id: <1255435610-9765-2-git-send-email-broonie@opensource.wolfsonmicro.com>
Date:	Tue, 13 Oct 2009 13:06:50 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Liam Girdwood <lrg@...mlogic.co.uk>
Cc:	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 2/2] regulator: Handle missing constraints in _regulator_disable()

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/regulator/core.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 25e35c7..1ac37f5 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1289,7 +1289,8 @@ static int _regulator_disable(struct regulator_dev *rdev)
 		return -EIO;
 
 	/* are we the last user and permitted to disable ? */
-	if (rdev->use_count == 1 && !rdev->constraints->always_on) {
+	if (rdev->use_count == 1 &&
+	    (rdev->constraints && !rdev->constraints->always_on)) {
 
 		/* we are last user */
 		if (_regulator_can_change_status(rdev) &&
-- 
1.6.4.3

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