[PATCH] strmbase: Avoid leaking the media type on failure in IEnumMediaTypes::Next().
Zebediah Figura
z.figura12 at gmail.com
Sat Jun 6 16:22:44 CDT 2020
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
dlls/strmbase/pin.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/dlls/strmbase/pin.c b/dlls/strmbase/pin.c
index eab7c0cb2e..f08c6d0186 100644
--- a/dlls/strmbase/pin.c
+++ b/dlls/strmbase/pin.c
@@ -119,6 +119,7 @@ static HRESULT WINAPI enum_media_types_Next(IEnumMediaTypes *iface, ULONG count,
AM_MEDIA_TYPE **mts, ULONG *ret_count)
{
struct enum_media_types *enummt = impl_from_IEnumMediaTypes(iface);
+ AM_MEDIA_TYPE mt;
unsigned int i;
HRESULT hr;
@@ -133,10 +134,14 @@ static HRESULT WINAPI enum_media_types_Next(IEnumMediaTypes *iface, ULONG count,
for (i = 0; i < count; ++i)
{
- if ((mts[i] = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))))
- hr = enummt->pin->ops->pin_get_media_type(enummt->pin, enummt->index + i, mts[i]);
- else
- hr = E_OUTOFMEMORY;
+ hr = enummt->pin->ops->pin_get_media_type(enummt->pin, enummt->index + i, &mt);
+ if (hr == S_OK)
+ {
+ if ((mts[i] = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))))
+ *mts[i] = mt;
+ else
+ hr = E_OUTOFMEMORY;
+ }
if (FAILED(hr))
{
while (i--)
--
2.27.0
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