From 6558ba4e62dba99f2a4d830f1c16f8d1c255b316 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B8ren=20Sandmann=20Pedersen?= <sandmann@daimi.au.dk>
Date: Fri, 12 May 2006 21:53:28 +0000
Subject: [PATCH] =?UTF-8?q?Fri=20May=2012=2017:51:26=202006=20S=C3=B8ren?=
 =?UTF-8?q?=20Sandmann=20<sandmann@redhat.com>=20Keep=20track=20of=20the?=
 =?UTF-8?q?=20previous=20item=20and=20update=20its=20next=20pointer=20when?=
 =?UTF-8?q?=20deleting=20=20=20=20=20from=20the=20linked=20list.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ChangeLog   |  6 ++++++
 Xext/sync.c | 17 ++++++++++++++---
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 54d36a7d7..d42326c2c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Fri May 12 17:51:26 2006  Søren Sandmann  <sandmann@redhat.com>
+
+	* Xext/sync.c (SyncDeleteTriggerFromCounter): Keep track of the
+	previous item and update its next pointer when deleting from the
+	linked list.
+
 2006-05-11  Matthias Hopf  <mhopf@suse.de>
 
 	* fb/fbpict.c: (fbComposite):
diff --git a/Xext/sync.c b/Xext/sync.c
index c88d81c36..e1383cea3 100644
--- a/Xext/sync.c
+++ b/Xext/sync.c
@@ -302,22 +302,33 @@ SyncDeleteTriggerFromCounter(pTrigger)
     SyncTrigger *pTrigger;
 {
     SyncTriggerList *pCur;
+    SyncTriggerList *pPrev;
 
     /* pCounter needs to be stored in pTrigger before calling here. */
 
     if (!pTrigger->pCounter)
 	return;
 
-    for (pCur = pTrigger->pCounter->pTriglist; pCur; pCur = pCur->next)
+    pPrev = NULL;
+    pCur = pTrigger->pCounter->pTriglist;
+
+    while (pCur)
     {
 	if (pCur->pTrigger == pTrigger)
 	{
-	    pTrigger->pCounter->pTriglist = pCur->next;
+	    if (pPrev)
+		pPrev->next = pCur->next;
+	    else
+		pTrigger->pCounter->pTriglist = pCur->next;
+	    
 	    xfree(pCur);
 	    break;
 	}
+	
+	pPrev = pCur;
+	pCur = pCur->next;
     }
-
+    
     if (IsSystemCounter(pTrigger->pCounter))
 	SyncComputeBracketValues(pTrigger->pCounter, /*startOver*/ TRUE);
 }