Snap for 9254005 from 21007bde51f0f050fa6ebaa9476346857b79e9e4 to mainline-cellbroadcast-release

Change-Id: Ia2156f0f6212454b71b165537e8fa0785bfe9ee1
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c
index e03570a..67fb218 100644
--- a/libfdt/fdt_ro.c
+++ b/libfdt/fdt_ro.c
@@ -253,6 +253,12 @@
 
 	FDT_RO_PROBE(fdt);
 
+	if (namelen < 1)
+		return -FDT_ERR_BADPATH;
+
+	if (namelen < 1)
+		return -FDT_ERR_BADPATH;
+
 	/* see if we have an alias */
 	if (*path != '/') {
 		const char *q = memchr(path, '/', end - p);