regulator: core: Use IS_ERR_OR_NULL()

Use IS_ERR_OR_NULL() rather than open coding it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 999a94b..5d61eb8 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1588,7 +1588,7 @@ static void _regulator_put(struct regulator *regulator)
 {
        struct regulator_dev *rdev;
 
-       if (regulator == NULL || IS_ERR(regulator))
+       if (IS_ERR_OR_NULL(regulator))
                return;
 
        lockdep_assert_held_once(&regulator_list_mutex);