From 6ddc0196df2400e440e4bddbcc4ce32c636a7ec1 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 27 Nov 2013 00:58:39 +0100
Subject: [PATCH] journal: fix iteration when we go backwards from the
 beginning of an array chain element

(cherry picked from commit e5462cd80e5328a769137c261c93931ea0c27bab)
---
 src/journal/journal-file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
index 02f7554..4e22e08 100644
--- a/src/journal/journal-file.c
+++ b/src/journal/journal-file.c
@@ -1687,7 +1687,7 @@ found:
                 return 0;
 
         /* Let's cache this item for the next invocation */
-        chain_cache_put(f->chain_cache, ci, first, a, array->entry_array.items[0], t, i + (subtract_one ? -1 : 0));
+        chain_cache_put(f->chain_cache, ci, first, a, array->entry_array.items[0], t, subtract_one ? (i > 0 ? i-1 : (uint64_t) -1) : i);
 
         if (subtract_one && i == 0)
                 p = last_p;