setupapi: Treat DIGCF_ALLCLASSES as if a NULL device class was given.

Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

setupapi: Treat DIGCF_ALLCLASSES as if a NULL device class was given.
5ff5c703 · Zebediah Figura · Alexandre Julliard · 301f66bf · 5ff5c703
Commit 5ff5c703 authored May 27, 2019 by Zebediah Figura Committed by Alexandre Julliard May 28, 2019
Hide whitespace changes
Inline Side-by-side

Showing with 3 additions and 0 deletions

devinst.c dlls/setupapi/devinst.c +3 -0

No files found.
--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -2448,6 +2448,9 @@ HDEVINFO WINAPI SetupDiGetClassDevsExW(const GUID *class, PCWSTR enumstr, HWND p
        SetLastError(ERROR_INVALID_PARAMETER);
        return INVALID_HANDLE_VALUE;
    }
+    if (flags & DIGCF_ALLCLASSES)
+        class = NULL;
+
    if (flags & unsupportedFlags)
        WARN("unsupported flags %08x\n", flags & unsupportedFlags);
    if (deviceset)