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-rw-r--r--include/linux/device.h1
-rw-r--r--kernel/module.c18
2 files changed, 15 insertions, 4 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index caad9bba9652..5cf30e95c8b6 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -128,6 +128,7 @@ struct device_driver {
128 128
129 struct module * owner; 129 struct module * owner;
130 const char * mod_name; /* used for built-in modules */ 130 const char * mod_name; /* used for built-in modules */
131 struct module_kobject * mkobj;
131 132
132 int (*probe) (struct device * dev); 133 int (*probe) (struct device * dev);
133 int (*remove) (struct device * dev); 134 int (*remove) (struct device * dev);
diff --git a/kernel/module.c b/kernel/module.c
index fbc51de6444e..dcdb32b8b13c 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2384,8 +2384,13 @@ void module_add_driver(struct module *mod, struct device_driver *drv)
2384 2384
2385 /* Lookup built-in module entry in /sys/modules */ 2385 /* Lookup built-in module entry in /sys/modules */
2386 mkobj = kset_find_obj(&module_subsys.kset, drv->mod_name); 2386 mkobj = kset_find_obj(&module_subsys.kset, drv->mod_name);
2387 if (mkobj) 2387 if (mkobj) {
2388 mk = container_of(mkobj, struct module_kobject, kobj); 2388 mk = container_of(mkobj, struct module_kobject, kobj);
2389 /* remember our module structure */
2390 drv->mkobj = mk;
2391 /* kset_find_obj took a reference */
2392 kobject_put(mkobj);
2393 }
2389 } 2394 }
2390 2395
2391 if (!mk) 2396 if (!mk)
@@ -2405,17 +2410,22 @@ EXPORT_SYMBOL(module_add_driver);
2405 2410
2406void module_remove_driver(struct device_driver *drv) 2411void module_remove_driver(struct device_driver *drv)
2407{ 2412{
2413 struct module_kobject *mk = NULL;
2408 char *driver_name; 2414 char *driver_name;
2409 2415
2410 if (!drv) 2416 if (!drv)
2411 return; 2417 return;
2412 2418
2413 sysfs_remove_link(&drv->kobj, "module"); 2419 sysfs_remove_link(&drv->kobj, "module");
2414 if (drv->owner && drv->owner->mkobj.drivers_dir) { 2420
2421 if (drv->owner)
2422 mk = &drv->owner->mkobj;
2423 else if (drv->mkobj)
2424 mk = drv->mkobj;
2425 if (mk && mk->drivers_dir) {
2415 driver_name = make_driver_name(drv); 2426 driver_name = make_driver_name(drv);
2416 if (driver_name) { 2427 if (driver_name) {
2417 sysfs_remove_link(drv->owner->mkobj.drivers_dir, 2428 sysfs_remove_link(mk->drivers_dir, driver_name);
2418 driver_name);
2419 kfree(driver_name); 2429 kfree(driver_name);
2420 } 2430 }
2421 } 2431 }