---

yaml
---
r: 114487
b: refs/heads/master
c: 1d0b19c
h: refs/heads/master
i:
  114485: bb046cd
  114483: cdf3bc5
  114479: 98104f7
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7c15fd1249658e203b2ac8661e48da6c2102e563
+refs/heads/master: 1d0b19c9a0612c653d1a0df267ba159089f6d139

trunk/drivers/i2c/i2c-core.c

@@ -437,6 +437,10 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
 {
 	int res = 0, dummy;
 
+	/* Can't register until after driver model init */
+	if (unlikely(WARN_ON(!i2c_bus_type.p)))
+		return -EAGAIN;
+
 	mutex_init(&adap->bus_lock);
 	mutex_init(&adap->clist_lock);
 	INIT_LIST_HEAD(&adap->clients);
@@ -696,6 +700,10 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver)
 {
 	int res;
 
+	/* Can't register until after driver model init */
+	if (unlikely(WARN_ON(!i2c_bus_type.p)))
+		return -EAGAIN;
+
 	/* new style driver methods can't mix with legacy ones */
 	if (is_newstyle_driver(driver)) {
 		if (driver->attach_adapter || driver->detach_adapter