This problem was introduced by:
commit daad134d6649 ("regulator: core: Request GPIO before creating
sysfs entries")The error path was not updated correctly and in case regulator_ena_gpio_free failed, device_unregister was called even though it was not registered yet. Signed-off-by: Krzysztof Adamski <[email protected]> Reported-by: Jon Hunter <[email protected]> --- drivers/regulator/core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 6ee9ba4..055f8c1 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3919,7 +3919,7 @@ regulator_register(const struct regulator_desc *regulator_desc, if (ret != 0) { rdev_err(rdev, "Failed to request enable GPIO%d: %d\n", config->ena_gpio, ret); - goto wash; + goto clean; } } @@ -3931,7 +3931,7 @@ regulator_register(const struct regulator_desc *regulator_desc, ret = device_register(&rdev->dev); if (ret != 0) { put_device(&rdev->dev); - goto clean; + goto wash; } dev_set_drvdata(&rdev->dev, rdev); @@ -3974,13 +3974,13 @@ unset_supplies: scrub: regulator_ena_gpio_free(rdev); - -wash: device_unregister(&rdev->dev); /* device core frees rdev */ rdev = ERR_PTR(ret); goto out; +wash: + regulator_ena_gpio_free(rdev); clean: kfree(rdev); rdev = ERR_PTR(ret); -- 2.1.4
