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regulator: Fix display of null constraints for regulators

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If the regulator constraints are empty and there is no voltage
reported then nothing will be added to the text displayed for the
constraints, leading to random stack data being printed. This is
unlikely to happen for practical regulators since most will at
least report a voltage but should still be fixed.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-02-11 19:20:48 +00:00 committed by Liam Girdwood
parent 676ad58553
commit 973e9a2795
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/core.c
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@ -661,7 +661,7 @@ static int suspend_prepare(struct regulator_dev *rdev, suspend_state_t state)
static void print_constraints(struct regulator_dev *rdev)
{
struct regulation_constraints *constraints = rdev->constraints;
char buf[80];
char buf[80] = "";
int count = 0;
int ret;