ACPI: scan: Use acpi_dev_put() in object add error paths

After acpi_init_device_object(), the lifetime of struct acpi_device is
managed by the driver core through reference counting.

Both acpi_add_power_resource() and acpi_add_single_object() call
acpi_init_device_object() and then invoke acpi_device_add(). If that
fails, their error paths call the release callback directly instead of
dropping the device reference through acpi_dev_put().

This bypasses the normal device lifetime rules and frees the object
without releasing the reference acquired by device_initialize(), which
may lead to a refcount leak.

The issue was identified by a static analysis tool I developed and
confirmed by manual review.

Fix both error paths by using acpi_dev_put() and let the release
callback handle the final cleanup.

Fixes: 781d737c7466 ("ACPI: Drop power resources driver")
Fixes: 718fb0de8ff88 ("ACPI: fix NULL bug for HID/UID string")
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Guangshuo Li <lgs201920130244@gmail.com>
Link: https://patch.msgid.link/20260413135343.2884481-1-lgs201920130244@gmail.com
Signed-off-by: Rafael J. Wysocki <rjw@rjwysocki.net>

0 files changed, 0 insertions, 0 deletions