libfdt: fix fdt_stringlist_search()
If fdt_getprop() fails, negative error code should be returned.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c
index db8d10f..3d00d2e 100644
--- a/libfdt/fdt_ro.c
+++ b/libfdt/fdt_ro.c
@@ -597,7 +597,7 @@
list = fdt_getprop(fdt, nodeoffset, property, &length);
if (!list)
- return -length;
+ return length;
len = strlen(string) + 1;
end = list + length;