diff --git a/include/linux/err.h b/include/linux/err.h
index 19fb70dc0..ed563f2c4 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -52,6 +52,14 @@ static inline void *ERR_CAST(const void *ptr)
 	return (void *) ptr;
 }
 
+static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr)
+{
+	if (IS_ERR(ptr))
+		return PTR_ERR(ptr);
+	else
+		return 0;
+}
+
 #endif
 
 #endif /* _LINUX_ERR_H */