From: Mark Brown Date: Thu, 11 Feb 2010 19:20:48 +0000 (+0000) Subject: regulator: Fix display of null constraints for regulators X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=973e9a2795b3b41d8408a0bb6f87b783c5efc88a;p=openwrt%2Fstaging%2Fblogic.git 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: Mark Brown Cc: stable@kernel.org Signed-off-by: Liam Girdwood --- diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 686ef270ecf7..b60a4c9f8f16 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -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;