[PATCH v2 2/3] firmware/edd: use kobject_put() on edd_device_register() failure

Tarun Sahu tarunsahu at google.com
Thu Aug 13 02:54:20 PDT 2026


When edd_device_register() fails after initializing the kobject with
kobject_init_and_add(), calling kfree(edev) directly bypasses the
kobject release callback (edd_release) and leaks the allocated kobject
resources.

Fix this by replacing direct kfree(edev) with kobject_put(&edev->kobj) on
registration failure.

Signed-off-by: Tarun Sahu <tarunsahu at google.com>
---
 drivers/firmware/edd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index f980c5b56858..763e7b16d517 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -748,7 +748,7 @@ edd_init(void)
 
 		rc = edd_device_register(edev, i);
 		if (rc) {
-			kfree(edev);
+			kobject_put(&edev->kobj);
 			goto out;
 		}
 		edd_devices[i] = edev;
-- 
2.55.0.699.gb54405d56f-goog




More information about the linux-arm-kernel mailing list