user.exe: Don't try calling the WH_CALLWNDPROC hook if no hook was set.

33807ac0 · Alexandre Julliard · 517f5ba5 · 33807ac0
Commit 33807ac0 authored Mar 11, 2011 by Alexandre Julliard
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hook.c dlls/user.exe16/hook.c +1 -1

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--- a/dlls/user.exe16/hook.c
+++ b/dlls/user.exe16/hook.c
@@ -192,7 +192,7 @@ void call_WH_CALLWNDPROC_hook( HWND16 hwnd, UINT16 msg, WPARAM16 wp, LPARAM lp )
    CWPSTRUCT16 cwp;
    struct hook16_queue_info *info = get_hook_info( FALSE );

-    if (!info->proc[WH_CALLWNDPROC - WH_MINHOOK]) return;
+    if (!info || !info->proc[WH_CALLWNDPROC - WH_MINHOOK]) return;

    cwp.hwnd    = hwnd;
    cwp.message = msg;