Nikolay Sivov : strmbase: Fix media type leaks when creating IEnumMediaTypes instance (Valgrind).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 51021faaef8312c35e9772873ad588c194c5c709
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=51021faaef8312c35e9772873a...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Mon Aug 15 16:38:33 2016 +0300

strmbase: Fix media type leaks when creating IEnumMediaTypes instance (Valgrind).

Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/strmbase/mediatype.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/dlls/strmbase/mediatype.c b/dlls/strmbase/mediatype.c
index 63b9ec2..91c0ddc 100644
--- a/dlls/strmbase/mediatype.c
+++ b/dlls/strmbase/mediatype.c
@@ -125,18 +125,23 @@ HRESULT WINAPI EnumMediaTypes_Construct(BasePin *basePin, BasePin_GetMediaType e
     pEnumMediaTypes->basePin = basePin;
 
     i = 0;
-    while (enumFunc(basePin, i, &amt) == S_OK) i++;
+    while (enumFunc(basePin, i, &amt) == S_OK)
+    {
+        FreeMediaType(&amt);
+        i++;
+    }
 
     pEnumMediaTypes->enumMediaDetails.cMediaTypes = i;
     pEnumMediaTypes->enumMediaDetails.pMediaTypes = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE) * i);
     memset(pEnumMediaTypes->enumMediaDetails.pMediaTypes, 0, sizeof(AM_MEDIA_TYPE) * i);
     for (i = 0; i < pEnumMediaTypes->enumMediaDetails.cMediaTypes; i++)
     {
-        enumFunc(basePin,i,&amt);
-        if (FAILED(CopyMediaType(&pEnumMediaTypes->enumMediaDetails.pMediaTypes[i], &amt)))
+        HRESULT hr;
+
+        if (FAILED(hr = enumFunc(basePin, i, &pEnumMediaTypes->enumMediaDetails.pMediaTypes[i])))
         {
             IEnumMediaTypes_Release(&pEnumMediaTypes->IEnumMediaTypes_iface);
-            return E_OUTOFMEMORY;
+            return hr;
         }
     }
     *ppEnum = &pEnumMediaTypes->IEnumMediaTypes_iface;