From c456b89a93664d6ff0aba1ced9dd88b88df2505a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 9 Jun 2015 19:54:10 +0100 Subject: regulator: core: Don't corrupt display when printing uV offsets We weren't taking into account the already used buffer when telling sprintf() where to print to. Reported-by: Stefan Wahren Signed-off-by: Mark Brown --- drivers/regulator/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/regulator') diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 443eaab933fc..9afa3af78b6a 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -801,7 +801,7 @@ static void print_constraints(struct regulator_dev *rdev) } if (constraints->uV_offset) - count += sprintf(buf, "%dmV offset ", + count += sprintf(buf + count, "%dmV offset ", constraints->uV_offset / 1000); if (constraints->min_uA && constraints->max_uA) { -- cgit v1.2.3 From a7068e3932eee8268c4ce4e080a338ee7b8a27bf Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Tue, 9 Jun 2015 20:09:42 +0000 Subject: regulator: core: fix constraints output buffer The buffer for condtraints debug isn't big enough to hold the output in all cases. So fix this issue by increasing the buffer. Signed-off-by: Stefan Wahren Signed-off-by: Mark Brown Cc: --- drivers/regulator/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/regulator') diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 9afa3af78b6a..53ed2d46071e 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -779,7 +779,7 @@ 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[160] = ""; int count = 0; int ret; -- cgit v1.2.3