Commit 973e9a27 authored by Mark Brown's avatar Mark Brown Committed by Liam Girdwood

regulator: Fix display of null constraints for regulators

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: default avatarMark Brown <>
Signed-off-by: default avatarLiam Girdwood <>
parent 676ad585
......@@ -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;
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