i2c: Simplify i2c_del_driver()

i2c_del_driver() can be simplified a bit.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 1a71645..e06067e 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -743,13 +743,11 @@
 {
 	mutex_lock(&core_lock);
 
-	/* new-style driver? */
-	if (is_newstyle_driver(driver))
-		goto unregister;
+	/* legacy driver? */
+	if (!is_newstyle_driver(driver))
+		class_for_each_device(&i2c_adapter_class, driver,
+				      __detach_adapter);
 
-	class_for_each_device(&i2c_adapter_class, driver, __detach_adapter);
-
- unregister:
 	driver_unregister(&driver->driver);
 	pr_debug("i2c-core: driver [%s] unregistered\n", driver->driver.name);