user32: Don't crash if passed a non-scrollbar HWND. Fixes Coverity id 265.

6049ad74 · Juan Lang · Alexandre Julliard · 18d2653c · 6049ad74
Commit 6049ad74 authored Sep 11, 2008 by Juan Lang Committed by Alexandre Julliard Sep 12, 2008
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scroll.c dlls/user32/scroll.c +3 -1

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--- a/dlls/user32/scroll.c
+++ b/dlls/user32/scroll.c
@@ -1256,7 +1256,9 @@ static BOOL SCROLL_GetScrollBarInfo(HWND hwnd, LONG idObject, LPSCROLLBARINFO in
    info->xyThumbBottom = info->xyThumbTop + info->dxyLineButton;

    infoPtr = SCROLL_GetInternalInfo(hwnd, nBar, TRUE);
-    
+    if (!infoPtr)
+        return FALSE;
+
    /* Scroll bar state */
    info->rgstate[0] = 0;
    if ((nBar == SB_HORZ && !(style & WS_HSCROLL))