Index: linux-2.6.21/drivers/i2c/i2c-core.c
===================================================================
--- linux-2.6.21.orig/drivers/i2c/i2c-core.c	2007-08-20 21:59:45.000000000 +0800
+++ linux-2.6.21/drivers/i2c/i2c-core.c	2007-08-20 22:03:12.000000000 +0800
@@ -365,8 +365,10 @@
 		list_for_each(item,&adapters) {
 			adapter = list_entry(item, struct i2c_adapter, list);
 			driver->attach_adapter(adapter);
+			goto out;  // Alex added for fix the bug otherwise system will be crashed. FIXME
 		}
 	}
+out:
 
 	mutex_unlock(&core_lists);
 	return 0;