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IB/core: Destroy ocrdma_dev_id IDR on module exit

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Destroy ocrdma_dev_id 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>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Johannes Thumshirn 2015-07-08 17:23:00 +02:00 committed by Doug Ledford
parent 45d254206f
commit d8b2ba7c59
1 changed files with 1 additions and 0 deletions
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1
drivers/infiniband/hw/ocrdma/ocrdma_main.c
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@ -696,6 +696,7 @@ static void __exit ocrdma_exit_module(void)
ocrdma_unregister_inet6addr_notifier();
ocrdma_unregister_inetaddr_notifier();
ocrdma_rem_debugfs();
idr_destroy(&ocrdma_dev_id);
}
module_init(ocrdma_init_module);