Due to asynchronous driver probing there is a chance that the dummy
regulator hasn't already been probed when first accessing it.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Christian Eggers <ceggers@xxxxxxx>
---
drivers/regulator/core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 4ddf0efead68..bb9fe44aea11 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2069,6 +2069,7 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
if (have_full_constraints()) {
r = dummy_regulator_rdev;
+ BUG_ON(!r);
get_device(&r->dev);
} else {
dev_err(dev, "Failed to resolve %s-supply for %s\n",
@@ -2086,6 +2087,7 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
goto out;
}
r = dummy_regulator_rdev;
+ BUG_ON(!r);
get_device(&r->dev);
}
@@ -2213,6 +2215,7 @@ struct regulator *_regulator_get_common(struct regulator_dev *rdev, struct devic
*/
dev_warn(dev, "supply %s not found, using dummy regulator\n", id);
rdev = dummy_regulator_rdev;
+ BUG_ON(!rdev);
get_device(&rdev->dev);
break;
--
2.43.0
