gpio: aggregator: remove the software node when deactivating the aggregator

The dynamic software node we create for the aggregator platform device
when using configfs is leaked when the device is deactivated. Destroy it
as the last step in the tear-down path.

Fixes: 86f162e73d2d ("gpio: aggregator: introduce basic configfs interface")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Closes: https://lore.kernel.org/all/CAMuHMdVZ=XUvJTGdDAjnkxgtw7Uvnn61iOy3XN_5XNZM2anctw@mail.gmail.com/
Link: https://patch.msgid.link/20260520121631.33976-1-bartosz.golaszewski@oss.qualcomm.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>

diff --git a/drivers/gpio/gpio-aggregator.c b/drivers/gpio/gpio-aggregator.c
index b53230065f50ec20687cd96f354fe15802271b24..a9ad809708fb66587d171699293ac2430e478512 100644 (file)
--- a/drivers/gpio/gpio-aggregator.c
+++ b/drivers/gpio/gpio-aggregator.c
@@ -991,11 +991,15 @@ err_remove_lookups:
 
 static void gpio_aggregator_deactivate(struct gpio_aggregator *aggr)
 {
+       struct fwnode_handle *swnode;
+
+       swnode = dev_fwnode(&aggr->pdev->dev);
        platform_device_unregister(aggr->pdev);
        aggr->pdev = NULL;
        gpiod_remove_lookup_table(aggr->lookups);
        kfree(aggr->lookups->dev_id);
        kfree(aggr->lookups);
+       fwnode_remove_software_node(swnode);
 }
 
 static void gpio_aggregator_lockup_configfs(struct gpio_aggregator *aggr,