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serdev: fix memleak on module unload
authorJohan Hovold <johan@kernel.org>
Wed, 13 Jun 2018 15:08:59 +0000 (17:08 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 8 Jul 2018 13:30:47 +0000 (15:30 +0200)
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@vger.kernel.org> # 4.11
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serdev/core.c patch | blob | blame | history

diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index 97db76afced2eddcc4e4d28e919cf3509d044793..ae2564ecddcdd58ab101c4f3ed0332222719f6a8 100644 (file)
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -482,6 +482,7 @@ EXPORT_SYMBOL_GPL(__serdev_device_driver_register);
 static void __exit serdev_exit(void)
 {
        bus_unregister(&serdev_bus_type);
+       ida_destroy(&ctrl_ida);
 }
 module_exit(serdev_exit);