[FFmpeg-devel] [PATCH] avdevice/dshow_enummediatypes: check return of av_malloc

Ganesh Ajjanagadde gajjanag at mit.edu
Thu Oct 29 03:05:51 CET 2015


On Wed, Oct 28, 2015 at 10:00 PM, Michael Niedermayer
<michael at niedermayer.cc> wrote:
> On Tue, Oct 27, 2015 at 08:09:03PM -0400, Ganesh Ajjanagadde wrote:
>> Untested.
>>
>> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
>> ---
>>  libavdevice/dshow_enummediatypes.c | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/libavdevice/dshow_enummediatypes.c b/libavdevice/dshow_enummediatypes.c
>> index 5b69a5b..5a24870 100644
>> --- a/libavdevice/dshow_enummediatypes.c
>> +++ b/libavdevice/dshow_enummediatypes.c
>> @@ -37,6 +37,8 @@ libAVEnumMediaTypes_Next(libAVEnumMediaTypes *this, unsigned long n,
>>      if (!this->pos && n == 1) {
>>          if (!IsEqualGUID(&this->type.majortype, &GUID_NULL)) {
>>              AM_MEDIA_TYPE *type = av_malloc(sizeof(AM_MEDIA_TYPE));
>> +            if (!type)
>> +                return AVERROR(ENOMEM);
>
> I cannot test this either but the surrounding code returns
> E_POINTER, E_OUTOFMEMORY, ...
> not AVERROR*
> so this does not look correct, or at least inconsistent

Looks like some Windows thing, I guess E_OUTOFMEMORY is the best
choice. This needs to wait for a review from a Windows using dev IMO.

>
> [...]
> --
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>
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