diff --git a/include/of.h b/include/of.h
index 85d55f9..08bbeaf 100644
--- a/include/of.h
+++ b/include/of.h
@@ -79,8 +79,8 @@
 static inline u64 of_read_number(const __be32 *cell, int size)
 {
 	u64 r = 0;
-	while (size--)
-		r = (r << 32) | be32_to_cpu(*(cell++));
+	for (; size--; cell++)
+		r = (r << 32) | be32_to_cpu(*cell);
 	return r;
 }