From 16c8f060e6ec444f9af2d41f73543f2e92a016ca Mon Sep 17 00:00:00 2001
From: Bertrik Sikken <bertrik@sikken.nl>
Date: Thu, 15 May 2008 23:02:22 +0000
Subject: [PATCH] Protect scrobbler_shutdown against multiple invocations,
 preventing double unregister of ata_idle callback. Probable fix for FS#8993 -
 Freeze on shutting down.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17533 a1c6a512-1295-4272-9138-f99709370657
---
 apps/scrobbler.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/scrobbler.c b/apps/scrobbler.c
index f05bbdb1f4..c109439263 100644
--- a/apps/scrobbler.c
+++ b/apps/scrobbler.c
@@ -251,7 +251,10 @@ void scrobbler_shutdown(void)
 {
 #ifndef SIMULATOR
     if (scrobbler_ata_callback)
+    {
         unregister_ata_idle_func(scrobbler_flush_callback, false);
+        scrobbler_ata_callback = false;
+    }
 #endif
 
     scrobbler_flush_cache();