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

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>
This commit is contained in:
Michael Niedermayer 2024-07-07 20:47:27 +02:00
parent 66d6b8033b
commit 348968e9f7
No known key found for this signature in database
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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@ -124,14 +124,15 @@ void ff_dshow_##prefix##_Destroy(class *this) \
class *ff_dshow_##prefix##_Create(__VA_ARGS__) \ class *ff_dshow_##prefix##_Create(__VA_ARGS__) \
{ \ { \
class *this = CoTaskMemAlloc(sizeof(class)); \ class *this = CoTaskMemAlloc(sizeof(class)); \
void *vtbl = CoTaskMemAlloc(sizeof(*this->vtbl)); \
dshowdebug("ff_dshow_"AV_STRINGIFY(prefix)"_Create(%p)\n", this); \ dshowdebug("ff_dshow_"AV_STRINGIFY(prefix)"_Create(%p)\n", this); \
if (!this || !vtbl) \ if (!this) \
goto fail; \ goto fail; \
ZeroMemory(this, sizeof(class)); \ 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->ref = 1; \
this->vtbl = vtbl; \
if (!setup) \ if (!setup) \
goto fail; \ goto fail; \
dshowdebug("created ff_dshow_"AV_STRINGIFY(prefix)" %p\n", this); \ dshowdebug("created ff_dshow_"AV_STRINGIFY(prefix)" %p\n", this); \