diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 79f5d39..56705b5 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -1702,6 +1702,9 @@
 	struct generic_pm_domain *genpd = ERR_PTR(-ENOENT);
 	struct of_genpd_provider *provider;
 
+	if (!genpdspec)
+		return ERR_PTR(-EINVAL);
+
 	mutex_lock(&of_genpd_mutex);
 
 	/* Check if we have such a provider in our array */