diff --git a/include/linux/of.h b/include/linux/of.h
index 209e226e91b709c288fe2e4797aab7b9a104c529..e5788ba447b6e7b3e90fbcf568cdb15c72cfaed4 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -236,8 +236,8 @@ extern struct device_node *of_find_all_nodes(struct device_node *prev);
 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;
 }