regulator: Fix return code from regulator_disable_deferred()

schedule_delayed_work() returns a bool indicating if the work was already
queued when it succeeds so we need to squash a true down to zero.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d0bde70f3466..9e4c123c4028 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1599,13 +1599,18 @@ static void regulator_disable_work(struct work_struct *work)
 int regulator_disable_deferred(struct regulator *regulator, int ms)
 {
         struct regulator_dev *rdev = regulator->rdev;
+        int ret;
 
         mutex_lock(&rdev->mutex);
         rdev->deferred_disables++;
         mutex_unlock(&rdev->mutex);
 
-        return schedule_delayed_work(&rdev->disable_work,
-                                     msecs_to_jiffies(ms));
+        ret = schedule_delayed_work(&rdev->disable_work,
+                                    msecs_to_jiffies(ms));
+        if (ret < 0)
+                return ret;
+        else
+                return 0;
 }
 EXPORT_SYMBOL_GPL(regulator_disable_deferred);