user32: Do not call the lparam for WM_SYSTIMER messages.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

user32: Do not call the lparam for WM_SYSTIMER messages.
ea435385 · Zebediah Figura · Alexandre Julliard · 019313b6 · ea435385
Commit ea435385 authored Apr 20, 2022 by Zebediah Figura Committed by Alexandre Julliard Apr 21, 2022
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Showing with 10 additions and 13 deletions

message.c dlls/user32/message.c +10 -13

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--- a/dlls/user32/message.c
+++ b/dlls/user32/message.c
@@ -861,22 +861,19 @@ LRESULT WINAPI DECLSPEC_HOTPATCH DispatchMessageA( const MSG* msg )
    LRESULT retval;

      /* Process timer messages */
-    if ((msg->message == WM_TIMER) || (msg->message == WM_SYSTIMER))
+    if (msg->lParam && msg->message == WM_TIMER)
    {
-        if (msg->lParam)
+        __TRY
        {
-            __TRY
-            {
-                retval = CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
-                                          msg->message, msg->wParam, GetTickCount() );
-            }
-            __EXCEPT_ALL
-            {
-                retval = 0;
-            }
-            __ENDTRY
-            return retval;
+            retval = CallWindowProcA( (WNDPROC)msg->lParam, msg->hwnd,
+                                      msg->message, msg->wParam, GetTickCount() );
+        }
+        __EXCEPT_ALL
+        {
+            retval = 0;
        }
+        __ENDTRY
+        return retval;
    }
    return NtUserDispatchMessageA( msg );
 }