4.17-stable review patch. If anyone has any objections, please let me know.
------------------
From: Johan Hovold <johan@xxxxxxxxxx>
commit bc6cf3669d22371f573ab0305b3abf13887c0786 upstream.
Make sure to free all resources associated with the ida on module
exit.
Fixes: cd6484e1830b ("serdev: Introduce new bus for serial attached devices")
Cc: stable <stable@xxxxxxxxxxxxxxx> # 4.11
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serdev/core.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -617,6 +617,7 @@ EXPORT_SYMBOL_GPL(__serdev_device_driver
static void __exit serdev_exit(void)
{
bus_unregister(&serdev_bus_type);
+ ida_destroy(&ctrl_ida);
}
module_exit(serdev_exit);
