Messages in this thread Patch in this message |  | | | From | Sangbeom Kim <> | | Subject | [PATCH 2/5] regulator: Fix the s5m8767a problem of the division by null | | Date | Wed, 13 Jun 2012 17:27:16 +0900 |
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If ramp_delay is 0, delay value can be divided by zero. This patch can fix the problem.
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com> --- drivers/regulator/s5m8767.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 4edf344..ce9dda2 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -451,7 +451,7 @@ static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev, desc = reg_voltage_map[reg_id]; - if (old_sel < new_sel) + if ((old_sel < new_sel) && s5m8767->ramp_delay) return DIV_ROUND_UP(desc->step * (new_sel - old_sel), s5m8767->ramp_delay * 1000); return 0; -- 1.7.1
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