MLK-20205-3: regulator: core: fix modulo by zero

Fix 'Division or modulo by zero' coverity issue(CID-4159438).
In fact, no need to call set_ramp_delay() in case of ramp_disable
is true, hence, ramp_delay never be 0 while set_ramp_delay() called.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Arulpandiyan Vadivel <arulpandiyan_vadivel@mentor.com>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 035e869..fea1529 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1164,7 +1164,7 @@ static int set_machine_constraints(struct regulator_dev *rdev,
                }
        }
 
-       if ((rdev->constraints->ramp_delay || rdev->constraints->ramp_disable)
+       if ((rdev->constraints->ramp_delay && !rdev->constraints->ramp_disable)
                && ops->set_ramp_delay) {
                ret = ops->set_ramp_delay(rdev, rdev->constraints->ramp_delay);
                if (ret < 0) {