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Commit 1f71740a authored by Kay Sievers's avatar Kay Sievers Committed by Greg Kroah-Hartman
Browse files

Driver core: show "initstate" of module 



Show the initialization state(live, coming, going) of the module:
  $ cat /sys/module/usbcore/initstate
  live

Signed-off-by: default avatarKay Sievers <kay.sievers@vrfy.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent aef6fba4

kernel/module.c

+25 −0
Original line number Diff line number Diff line
@@ -824,9 +824,34 @@ static inline void module_unload_init(struct module *mod) 
}

#endif /* CONFIG_MODULE_UNLOAD */



static ssize_t show_initstate(struct module_attribute *mattr,

			   struct module *mod, char *buffer)

{

	const char *state = "unknown";



	switch (mod->state) {

	case MODULE_STATE_LIVE:

		state = "live";

		break;

	case MODULE_STATE_COMING:

		state = "coming";

		break;

	case MODULE_STATE_GOING:

		state = "going";

		break;

	}

	return sprintf(buffer, "%s\n", state);

}



static struct module_attribute initstate = {

	.attr = { .name = "initstate", .mode = 0444, .owner = THIS_MODULE },

	.show = show_initstate,

};



static struct module_attribute *modinfo_attrs[] = {

	&modinfo_version,

	&modinfo_srcversion,

	&initstate,

#ifdef CONFIG_MODULE_UNLOAD

	&refcnt,

#endif