diff options
| -rw-r--r-- | drivers/regulator/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 0a0dd0aac047..89f14e301b4c 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1550,6 +1550,12 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) } } + if (r == rdev) { + dev_err(dev, "Supply for %s (%s) resolved to itself\n", + rdev->desc->name, rdev->supply_name); + return -EINVAL; + } + /* Recursively resolve the supply of the supply */ ret = regulator_resolve_supply(r); if (ret < 0) { |