Nikolay Sivov : msdmo: Fix RegOpenKeyExW() failure condition.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 6eab4981601408237b9eac0f3e49f33562df6a82
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=6eab4981601408237b9eac0f3e49f33562df6a82

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Mon Dec 29 00:22:11 2014 +0300

msdmo: Fix RegOpenKeyExW() failure condition.

Spotted by Mark Harmstone.

---

 dlls/msdmo/dmoreg.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/dlls/msdmo/dmoreg.c b/dlls/msdmo/dmoreg.c
index 77ddfa6..74ab6b6 100644
--- a/dlls/msdmo/dmoreg.c
+++ b/dlls/msdmo/dmoreg.c
@@ -364,6 +364,7 @@ static HRESULT IEnumDMO_Constructor(
     IEnumDMOImpl* lpedmo;
     HRESULT hr = S_OK;
     UINT size;
+    LONG ret;
 
     *obj = NULL;
 
@@ -406,8 +407,8 @@ static HRESULT IEnumDMO_Constructor(
     /* If not filtering by category enum from media objects root */
     if (IsEqualGUID(guidCategory, &GUID_NULL))
     {
-        if (!RegOpenKeyExW(HKEY_CLASSES_ROOT, szDMORootKey, 0, KEY_READ, &lpedmo->hkey))
-            hr = E_FAIL;
+        if ((ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, szDMORootKey, 0, KEY_READ, &lpedmo->hkey)))
+            hr = HRESULT_FROM_WIN32(ret);
     }
     else
     {
@@ -416,8 +417,8 @@ static HRESULT IEnumDMO_Constructor(
 
         wsprintfW(szKey, szCat3Fmt, szDMORootKey, szDMOCategories,
             GUIDToString(szguid, guidCategory));
-        if (!RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey, 0, KEY_READ, &lpedmo->hkey))
-            hr = E_FAIL;
+        if ((ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey, 0, KEY_READ, &lpedmo->hkey)))
+            hr = HRESULT_FROM_WIN32(ret);
     }
 
 lerr: