From 21cb0e199dfe0d94e6af1a1f48f66f823bbeb8c9 Mon Sep 17 00:00:00 2001
From: Giuseppe Scrivano <gscrivan@redhat.com>
Date: Wed, 1 Aug 2018 13:23:02 +0200
Subject: [PATCH] read_dirs: always initialize l->next to NULL

Resolve a segfault when using multiple lower layers.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
---
 main.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/main.c b/main.c
index 7708f56..67b4456 100644
--- a/main.c
+++ b/main.c
@@ -998,11 +998,9 @@ read_dirs (char *path, bool low, struct ovl_layer *layers)
       l->low = low;
       if (low)
         {
+          l->next = NULL;
           if (last == NULL)
-            {
-              last = layers = l;
-              l->next = NULL;
-            }
+            last = layers = l;
           else
             {
               last->next = l;