shell32: Ensure extraPmts is a valid pointer before checking it.

5e289b91 · Owen Rudge · Alexandre Julliard · 0deb3d04 · 5e289b91
Commit 5e289b91 authored Jul 21, 2009 by Owen Rudge Committed by Alexandre Julliard Jul 22, 2009
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control.c dlls/shell32/control.c +1 -1

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--- a/dlls/shell32/control.c
+++ b/dlls/shell32/control.c
@@ -783,7 +783,7 @@ static	void	Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
    }

    /* Now check if there had been a numerical value in the extra params */
-    if ((*extraPmts == '@') && (sp == -1)) {
+    if ((extraPmts) && (*extraPmts == '@') && (sp == -1)) {
        sp = atoiW(extraPmts + 1);
    }