From: Colin Guthrie <colin@mageia.org>
Date: Tue, 16 Oct 2012 11:03:37 +0000 (+0100)
Subject: journal: Set the last_unused pointer correctly when attaching an unused window
X-Git-Tag: v195~96
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=a2ab7ee6122a5006cafc45d7b81f726656fb65cc

journal: Set the last_unused pointer correctly when attaching an unused window

It seems the previous code was copy/pasted from context_detach_window()
but not updated.
---

diff --git a/src/journal/mmap-cache.c b/src/journal/mmap-cache.c
index 7813f0375..251aefe12 100644
--- a/src/journal/mmap-cache.c
+++ b/src/journal/mmap-cache.c
@@ -205,8 +205,8 @@ static void context_attach_window(Context *c, Window *w) {
         if (w->in_unused) {
                 /* Used again? */
                 LIST_REMOVE(Window, unused, c->cache->unused, w);
-                if (!c->cache->last_unused)
-                        c->cache->last_unused = w;
+                if (c->cache->last_unused == w)
+                        c->cache->last_unused = w->unused_prev;
 
                 w->in_unused = false;
         }