Marcus Meissner : quartz: Added some error checking on failure to CreateClassEnumerator.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ccad96578d273e672a3492a2a7f2e11663ae4640
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=ccad96578d273e672a3492a2a7...

Author: Marcus Meissner <marcus(a)jet.franken.de>
Date:   Sun Jun  3 12:51:52 2007 +0200

quartz: Added some error checking on failure to CreateClassEnumerator.

---

 dlls/quartz/filtermapper.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/dlls/quartz/filtermapper.c b/dlls/quartz/filtermapper.c
index 6adce61..a45f477 100644
--- a/dlls/quartz/filtermapper.c
+++ b/dlls/quartz/filtermapper.c
@@ -962,9 +962,14 @@ static HRESULT WINAPI FilterMapper2_EnumMatchingFilters(
     *ppEnum = NULL;
 
     hr = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, &IID_ICreateDevEnum, (LPVOID*)&pCreateDevEnum);
+    if (FAILED(hr))
+        return hr;
 
-    if (SUCCEEDED(hr))
-        hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &CLSID_ActiveMovieCategories, &pEnumCat, 0);
+    hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &CLSID_ActiveMovieCategories, &pEnumCat, 0);
+    if (FAILED(hr)) {
+        ICreateDevEnum_Release(pCreateDevEnum);
+        return hr;
+    }
 
     while (IEnumMoniker_Next(pEnumCat, 1, &pMonikerCat, NULL) == S_OK)
     {