[PATCH v6 2/9] acpi/bus: Set driver_data to NULL every time .add() fails

[Michal Wilczynski]

Most drivers set driver_data during .add() callback, but usually
they don't set it back to NULL in case of a failure. Set driver_data to
NULL in acpi_device_probe() to avoid code duplication.

Signed-off-by: Michal Wilczynski <michal.wilczyn...@intel.com>
---
 drivers/acpi/bus.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 2d6f1f45d44e..c087fd6e8398 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1014,8 +1014,10 @@ static int acpi_device_probe(struct device *dev)
                return -ENOSYS;
 
        ret = acpi_drv->ops.add(acpi_dev);
-       if (ret)
+       if (ret) {
+               acpi_dev->driver_data = NULL;
                return ret;
+       }
 
        pr_debug("Driver [%s] successfully bound to device [%s]\n",
                 acpi_drv->name, acpi_dev->pnp.bus_id);
-- 
2.41.0