Peter Dons Tychsen : mshtml: Fix crash because of usage of pointer before cheking if it is NULL.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7c1ae274438b62f1be2ffe9cb0fc840a5d84a0db
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7c1ae274438b62f1be2ffe9cb0...

Author: Peter Dons Tychsen <donpedro(a)tdcadsl.dk>
Date:   Wed Sep  2 04:16:19 2009 +0200

mshtml: Fix crash because of usage of pointer before cheking if it is NULL.

---

 dlls/mshtml/task.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/mshtml/task.c b/dlls/mshtml/task.c
index 496b96f..0759580 100644
--- a/dlls/mshtml/task.c
+++ b/dlls/mshtml/task.c
@@ -94,6 +94,9 @@ void remove_doc_tasks(const HTMLDocument *doc)
     task_timer_t *timer;
     task_t *iter, *tmp;
 
+    if(!thread_data)
+        return;
+
     LIST_FOR_EACH_SAFE(liter, ltmp, &thread_data->timer_list) {
         timer = LIST_ENTRY(liter, task_timer_t, entry);
         if(timer->doc == doc)
@@ -105,9 +108,6 @@ void remove_doc_tasks(const HTMLDocument *doc)
         SetTimer(thread_data->thread_hwnd, TIMER_ID, timer->time - GetTickCount(), NULL);
     }
 
-    if(!thread_data)
-        return;
-
     while(thread_data->task_queue_head
           && thread_data->task_queue_head->doc == doc)
         pop_task();