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yaml
---
r: 41204
b: refs/heads/master
c: e17e0f5
h: refs/heads/master
v: v3
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Kay Sievers authored and Greg Kroah-Hartman committed Dec 1, 2006
1 parent d48e331 commit 9e4e2ce
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Showing 3 changed files with 27 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: c957b32406b73ed66d0f20ebab0cab25c848105d
refs/heads/master: e17e0f51aeea4e59c7e450a1c0f26605b91c1260
1 change: 1 addition & 0 deletions trunk/include/linux/module.h
Original file line number Diff line number Diff line change
Expand Up @@ -264,6 +264,7 @@ struct module
struct module_attribute *modinfo_attrs;
const char *version;
const char *srcversion;
struct kobject *drivers_dir;

/* Exported symbols */
const struct kernel_symbol *syms;
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31 changes: 25 additions & 6 deletions trunk/kernel/module.c
Original file line number Diff line number Diff line change
Expand Up @@ -1086,22 +1086,35 @@ static int mod_sysfs_setup(struct module *mod,
goto out;
kobj_set_kset_s(&mod->mkobj, module_subsys);
mod->mkobj.mod = mod;
err = kobject_register(&mod->mkobj.kobj);

/* delay uevent until full sysfs population */
kobject_init(&mod->mkobj.kobj);
err = kobject_add(&mod->mkobj.kobj);
if (err)
goto out;

mod->drivers_dir = kobject_add_dir(&mod->mkobj.kobj, "drivers");
if (!mod->drivers_dir)
goto out_unreg;

err = module_param_sysfs_setup(mod, kparam, num_params);
if (err)
goto out_unreg;
goto out_unreg_drivers;

err = module_add_modinfo_attrs(mod);
if (err)
goto out_unreg;
goto out_unreg_param;

kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD);
return 0;

out_unreg_drivers:
kobject_unregister(mod->drivers_dir);
out_unreg_param:
module_param_sysfs_remove(mod);
out_unreg:
kobject_unregister(&mod->mkobj.kobj);
kobject_del(&mod->mkobj.kobj);
kobject_put(&mod->mkobj.kobj);
out:
return err;
}
Expand All @@ -1110,6 +1123,7 @@ static void mod_kobject_remove(struct module *mod)
{
module_remove_modinfo_attrs(mod);
module_param_sysfs_remove(mod);
kobject_unregister(mod->drivers_dir);

kobject_unregister(&mod->mkobj.kobj);
}
Expand Down Expand Up @@ -2275,11 +2289,14 @@ void print_modules(void)

void module_add_driver(struct module *mod, struct device_driver *drv)
{
int no_warn;

if (!mod || !drv)
return;

/* Don't check return code; this call is idempotent */
sysfs_create_link(&drv->kobj, &mod->mkobj.kobj, "module");
/* Don't check return codes; these calls are idempotent */
no_warn = sysfs_create_link(&drv->kobj, &mod->mkobj.kobj, "module");
no_warn = sysfs_create_link(mod->drivers_dir, &drv->kobj, drv->name);
}
EXPORT_SYMBOL(module_add_driver);

Expand All @@ -2288,6 +2305,8 @@ void module_remove_driver(struct device_driver *drv)
if (!drv)
return;
sysfs_remove_link(&drv->kobj, "module");
if (drv->owner && drv->owner->drivers_dir)
sysfs_remove_link(drv->owner->drivers_dir, drv->name);
}
EXPORT_SYMBOL(module_remove_driver);

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