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avdevice/dshow_capture: Fix error handling in ff_dshow_##prefix##_Create()

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Untested, needs review

Fixes: CID1591856 Resource leak
Fixes: CID1591887 Resource leak
Fixes: CID1591874 Resource leak

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 348968e9f7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-07-07 20:47:27 +02:00
parent ff443c8ab0
commit 6737f26da3
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GPG Key ID: B18E8928B3948D64
1 changed files with 5 additions and 4 deletions
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9
libavdevice/dshow_capture.h
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@ -125,14 +125,15 @@ void ff_dshow_##prefix##_Destroy(class *this) \
class *ff_dshow_##prefix##_Create(__VA_ARGS__) \
{ \
class *this = CoTaskMemAlloc(sizeof(class)); \
void *vtbl = CoTaskMemAlloc(sizeof(*this->vtbl)); \
dshowdebug("ff_dshow_"AV_STRINGIFY(prefix)"_Create(%p)\n", this); \
if (!this || !vtbl) \
if (!this) \
goto fail; \
ZeroMemory(this, sizeof(class)); \
ZeroMemory(vtbl, sizeof(*this->vtbl)); \
this->vtbl = CoTaskMemAlloc(sizeof(*this->vtbl)); \
if (!this->vtbl) \
goto fail; \
ZeroMemory(this->vtbl, sizeof(*this->vtbl)); \
this->ref = 1; \
this->vtbl = vtbl; \
if (!setup) \
goto fail; \
dshowdebug("created ff_dshow_"AV_STRINGIFY(prefix)" %p\n", this); \