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Re: [PATCH] cdc-acm: Destroy acm_minors IDR on module exit

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  Re: [PATCH] cdc-acm: Destroy acm_minors IDR on module exit Johan Hovold <johan@kernel.org> - 2015-07-09 11:00 +0200

#1180564 — Re: [PATCH] cdc-acm: Destroy acm_minors IDR on module exit

On Wed, Jul 08, 2015 at 05:25:42PM +0200, Johannes Thumshirn wrote:
> Destroy acm_minors IDR on module exit, reclaiming the allocated memory.

> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
> ---
>  drivers/usb/class/cdc-acm.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
> index 519a77b..b30e742 100644
> --- a/drivers/usb/class/cdc-acm.c
> +++ b/drivers/usb/class/cdc-acm.c
> @@ -1944,6 +1944,7 @@ static void __exit acm_exit(void)
>  	usb_deregister(&acm_driver);
>  	tty_unregister_driver(acm_tty_driver);
>  	put_tty_driver(acm_tty_driver);
> +	idr_destroy(&acm_minors);
>  }
>  
>  module_init(acm_init);

Acked-by: Johan Hovold <johan@kernel.org>

No stable-tag needed as idr wasn't used before 4.2.

Thanks,
Johan
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