linux/drivers/bluetooth/btmtksdio.c
Tzung-Bi Shih 7b60ee5f46 Bluetooth: btmtksdio: Fix PM runtime reference leak in shutdown
In btmtksdio_shutdown(), pm_runtime_get_sync() is called at the
beginning of the function.  However, if sending the WMT function
control command fails later, the driver returns early.

It bypasses the corresponding pm_runtime_put_noidle() and
pm_runtime_disable() calls, leaking the PM usage counter and leaving PM
runtime enabled indefinitely.

Fall through to execute the PM runtime cleanup block even if WMT errors.

Fixes: 7f3c563c57 ("Bluetooth: btmtksdio: Add runtime PM support to SDIO based Bluetooth")
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2026-09-15 14:55:01 -04:00

1612 lines
38 KiB