Re: Race condition: calling remove_proc_entry in cleanup_module (module_exit) while someone's using procfile

On Tue, Sep 04, 2007 at 06:39:33PM +0200, anon... anon.al wrote:
> There is a race condition if an instance is executing "__exit
> device_exit" and calls remove_proc_entry, while someone is still using
> the procfile, right?.
> 
> static void __exit device_exit(void)
> {
>   // what if the procfile is still in use?
>   remove_proc_entry(PROC_FILE_NAME, &proc_root);
> }

For regular proc files, this is fixed in 2.6.23-rc1 and later.
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