From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Mon, 17 Oct 2016 11:22:34 +0000 (+0900)
Subject: libfdt: fix fdt_stringlist_search()
X-Git-Tag: v2016.11-rc3~48
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=01ae56cfcb3f6bbcd1e1cbd283ae2b8b38587664;p=oweals%2Fu-boot.git

libfdt: fix fdt_stringlist_search()

If fdt_getprop() fails, negative error code should be returned.

[ DTC commit: daa75e8fa5942caa8e97931aed3a1ee0b7edd74b ]

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---

diff --git a/lib/libfdt/fdt_ro.c b/lib/libfdt/fdt_ro.c
index fc08981a2c..1be9538fd2 100644
--- a/lib/libfdt/fdt_ro.c
+++ b/lib/libfdt/fdt_ro.c
@@ -576,7 +576,7 @@ int fdt_stringlist_search(const void *fdt, int nodeoffset, const char *property,
 
 	list = fdt_getprop(fdt, nodeoffset, property, &length);
 	if (!list)
-		return -length;
+		return length;
 
 	len = strlen(string) + 1;
 	end = list + length;