Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6:
[PATCH] Driver core: Fix prefix driver links in /sys/module by bus-name
diff --git a/kernel/module.c b/kernel/module.c
index dbce132..d0f2260 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1148,10 +1148,10 @@
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_drivers:
+ kobject_unregister(mod->drivers_dir);
out_unreg:
kobject_del(&mod->mkobj.kobj);
kobject_put(&mod->mkobj.kobj);
@@ -2327,8 +2327,22 @@
printk("\n");
}
+static char *make_driver_name(struct device_driver *drv)
+{
+ char *driver_name;
+
+ driver_name = kmalloc(strlen(drv->name) + strlen(drv->bus->name) + 2,
+ GFP_KERNEL);
+ if (!driver_name)
+ return NULL;
+
+ sprintf(driver_name, "%s:%s", drv->bus->name, drv->name);
+ return driver_name;
+}
+
void module_add_driver(struct module *mod, struct device_driver *drv)
{
+ char *driver_name;
int no_warn;
if (!mod || !drv)
@@ -2336,17 +2350,31 @@
/* 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);
+ driver_name = make_driver_name(drv);
+ if (driver_name) {
+ no_warn = sysfs_create_link(mod->drivers_dir, &drv->kobj,
+ driver_name);
+ kfree(driver_name);
+ }
}
EXPORT_SYMBOL(module_add_driver);
void module_remove_driver(struct device_driver *drv)
{
+ char *driver_name;
+
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);
+ if (drv->owner && drv->owner->drivers_dir) {
+ driver_name = make_driver_name(drv);
+ if (driver_name) {
+ sysfs_remove_link(drv->owner->drivers_dir,
+ driver_name);
+ kfree(driver_name);
+ }
+ }
}
EXPORT_SYMBOL(module_remove_driver);
