[PATCH v2 2/3] quartz: Return E_INVALIDARG when cursor is NULL in IEnumFilters::Skip().

[Gijs Vermeulen]

Signed-off-by: Gijs Vermeulen <gijsvrm at gmail.com>
---
 dlls/quartz/filtergraph.c       | 2 +-
 dlls/quartz/tests/filtergraph.c | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/dlls/quartz/filtergraph.c b/dlls/quartz/filtergraph.c
index fb2cbc76b31..b2a1e25600c 100644
--- a/dlls/quartz/filtergraph.c
+++ b/dlls/quartz/filtergraph.c
@@ -326,7 +326,7 @@ static HRESULT WINAPI EnumFilters_Skip(IEnumFilters *iface, ULONG count)
         return VFW_E_ENUM_OUT_OF_SYNC;
 
     if (!enum_filters->cursor)
-        return S_FALSE;
+        return E_INVALIDARG;
 
     while (count--)
     {
diff --git a/dlls/quartz/tests/filtergraph.c b/dlls/quartz/tests/filtergraph.c
index 446fa4ae1af..9de4919df28 100644
--- a/dlls/quartz/tests/filtergraph.c
+++ b/dlls/quartz/tests/filtergraph.c
@@ -677,6 +677,12 @@ static void test_enum_filters(void)
     hr = IEnumFilters_Next(enum1, 1, filters, NULL);
     ok(hr == S_FALSE, "Got hr %#x.\n", hr);
 
+    hr = IEnumFilters_Skip(enum1, 0);
+    ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr);
+
+    hr = IEnumFilters_Skip(enum1, 1);
+    ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr);
+
     IFilterGraph2_AddFilter(graph, filter1, NULL);
     IFilterGraph2_AddFilter(graph, filter2, NULL);
 
-- 
2.29.2