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SubjectRe: [PATCH] mtd: Destroy mtd_idr on module_exit
On Wed, Jul 08, 2015 at 05:15:34PM +0200, Johannes Thumshirn wrote:
> Destroy mtd_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 to l2-mtd.git. Thanks.


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