From: Lothar Waßmann <LW@KARO-electronics.de>
Date: Wed, 8 Mar 2017 14:30:06 +0000 (+0100)
Subject: fdt_support: fix obiwan error in OF_CHECK_COUNTS()
X-Git-Tag: KARO-TXSD-2017-03-15~38
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=23b6dfd0c1a990ef4b02e19983a3afb92345b300;p=karo-tx-uboot.git

fdt_support: fix obiwan error in OF_CHECK_COUNTS()

'#size-cells' may well legally be zero, so adjust the comparison in
OF_CHECK_COUNTS() to reflect this.
---

diff --git a/common/fdt_support.c b/common/fdt_support.c
index bc8db59158..1353651c5c 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -949,7 +949,7 @@ void fdt_del_node_and_alias(void *blob, const char *alias)
 #define OF_MAX_ADDR_CELLS	4
 #define OF_BAD_ADDR	FDT_ADDR_T_NONE
 #define OF_CHECK_COUNTS(na, ns)	((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
-			(ns) > 0)
+			(ns) >= 0)
 
 /* Debug utility */
 #ifdef DEBUG