diff --git a/lib/devres.c b/lib/devres.c
index 9c76b3a9cc722ab1116a9fa5821a8e05bc39fe35..88ad75952a764fd206ba621c0294a322218504ce 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -1,3 +1,4 @@
+#include <linux/err.h>
 #include <linux/pci.h>
 #include <linux/io.h>
 #include <linux/gfp.h>