diff --git a/[refs] b/[refs]
index 2e61eb7925ef..a99258310de7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0f82b6cf76516063fe26dac15e93544387c681eb
+refs/heads/master: dcf701125eefea6baf72753533cb8b60fb0e3934
diff --git a/trunk/drivers/regulator/core.c b/trunk/drivers/regulator/core.c
index 9fafa00b8cd4..10fb252323fb 100644
--- a/trunk/drivers/regulator/core.c
+++ b/trunk/drivers/regulator/core.c
@@ -2941,6 +2941,7 @@ regulator_register(const struct regulator_desc *regulator_desc,
 		return ERR_PTR(-EINVAL);
 
 	dev = config->dev;
+	WARN_ON(!dev);
 
 	if (regulator_desc->name == NULL || regulator_desc->ops == NULL)
 		return ERR_PTR(-EINVAL);