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Re: [PATCH] USB: serial: Destroy serial_minors IDR on module exit

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  Re: [PATCH] USB: serial: Destroy serial_minors IDR on module exit Johan Hovold <johan@kernel.org> - 2015-07-09 10:50 +0200

#1180555 — Re: [PATCH] USB: serial: Destroy serial_minors IDR on module exit

On Wed, Jul 08, 2015 at 05:26:37PM +0200, Johannes Thumshirn wrote:
> Destroy serial_minors IDR on module exit, reclaiming the allocated memory.
> 
> This was detected by the following semantic patch (written by Luis Rodriguez
> <mcgrof@suse.com>)
> <SmPL>
> @ defines_module_init @
> declarer name module_init, module_exit;
> declarer name DEFINE_IDR;
> identifier init;
> @@
> 
> module_init(init);
> 
> @ defines_module_exit @
> identifier exit;
> @@
> 
> module_exit(exit);
> 
> @ declares_idr depends on defines_module_init && defines_module_exit @
> identifier idr;
> @@
> 
> DEFINE_IDR(idr);
> 
> @ on_exit_calls_destroy depends on declares_idr && defines_module_exit @
> identifier declares_idr.idr, defines_module_exit.exit;
> @@
> 
> exit(void)
> {
>  ...
>  idr_destroy(&idr);
>  ...
> }
> 
> @ missing_module_idr_destroy depends on declares_idr && defines_module_exit && !on_exit_calls_destroy @
> identifier declares_idr.idr, defines_module_exit.exit;
> @@
> 
> exit(void)
> {
>  ...
>  +idr_destroy(&idr);
> }
> </SmPL>
> 
> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>

Applied, thanks.

Johan
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