linux-kernel - [PATCH 3/6] regulator: Warn when unregistering an in-use regulator

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Message-Id: <1248188428-11277-3-git-send-email-broonie@opensource.wolfsonmicro.com>
Date:	Tue, 21 Jul 2009 16:00:25 +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 3/6] regulator: Warn when unregistering an in-use regulator

We're probably going to start oopsing fairly soon after this happens.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/regulator/core.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 33a8c3c..e5ccc9f 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2229,6 +2229,7 @@ void regulator_unregister(struct regulator_dev *rdev)
 		return;
 
 	mutex_lock(&regulator_list_mutex);
+	WARN_ON(rdev->open_count)
 	unset_regulator_supplies(rdev);
 	list_del(&rdev->list);
 	if (rdev->supply)
-- 
1.6.3.3

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