Messages in this thread Patch in this message | | | From | Mark Brown <> | Date | Tue, 1 Dec 2015 16:40:57 +0000 | Subject | [PATCH] regulator: core: Ensure we lock all regulators |
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The latest workaround for the lockdep interface's not using the second argument of mutex_lock_nested() changed the loop missed locking the last regulator due to a thinko with the loop termination condition exiting one regulator too soon.
Reported-by: Tyler Baker <tyler.baker@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org> ---
Not tested yet.
drivers/regulator/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index daffff83ced2..f71db02fcb71 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -141,7 +141,7 @@ static void regulator_lock_supply(struct regulator_dev *rdev) int i; mutex_lock(&rdev->mutex); - for (i = 1; rdev->supply; rdev = rdev->supply->rdev, i++) + for (i = 1; rdev; rdev = rdev->supply->rdev, i++) mutex_lock_nested(&rdev->mutex, i); } -- 2.6.2
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