Re: [PATCH v4 2/4] modules: set mod->state to MODULE_STATE_GOING before going notifiers are called

From: Josh Poimboeuf
Date: Tue Feb 09 2016 - 10:45:16 EST


On Mon, Feb 08, 2016 at 11:50:22PM -0500, Jessica Yu wrote:
> In load_module(), the going notifiers are called during error handling when
> an error occurs after the coming notifiers have already been called.
> However, a module's state is still MODULE_STATE_COMING when the going
> notifiers are called in the error path. To be consistent, also set
> mod->state to MODULE_STATE_GOING before calling the going notifiers.
>
> Signed-off-by: Jessica Yu <jeyu@xxxxxxxxxx>

Reviewed-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

> ---
> kernel/module.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/module.c b/kernel/module.c
> index a174335..77f6791 100644
> --- a/kernel/module.c
> +++ b/kernel/module.c
> @@ -3548,6 +3548,7 @@ static int load_module(struct load_info *info, const char __user *uargs,
> return do_init_module(mod);
>
> coming_cleanup:
> + mod->state = MODULE_STATE_GOING;
> blocking_notifier_call_chain(&module_notify_list,
> MODULE_STATE_GOING, mod);
>
> --
> 2.4.3
>

--
Josh