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io->teardown() was not always called upon error

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Change-Id: I8317139b583124fc20754b9b19aa4dba51cd05af
This commit is contained in:
Pascal Massimino 2011-07-20 07:49:57 -07:00
parent c85527b1ae
commit acd8ba4229
1 changed files with 13 additions and 5 deletions
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18
src/dec/idec.c
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@ -229,6 +229,12 @@ static void RestoreContext(const MBContext* context, VP8Decoder* const dec,
//------------------------------------------------------------------------------
static VP8StatusCode IDecError(WebPIDecoder* idec, VP8StatusCode error) {
if (idec->state_ == STATE_DATA) {
VP8Io* const io = &idec->io_;
if (io->teardown) {
io->teardown(io);
}
}
idec->state_ = STATE_ERROR;
return error;
}
@ -323,14 +329,16 @@ static VP8StatusCode DecodePartition0(WebPIDecoder* const idec) {
return IDecError(idec, dec->status_);
}
// Finish setting up the decoding parameter
if (VP8FinishFrameSetup(dec, io) != VP8_STATUS_OK) {
return IDecError(idec, dec->status_);
}
if (!CopyParts0Data(idec)) {
return IDecError(idec, VP8_STATUS_OUT_OF_MEMORY);
}
// Finish setting up the decoding parameters.
if (VP8FinishFrameSetup(dec, io) != VP8_STATUS_OK) {
return IDecError(idec, dec->status_);
}
// Note: past this point, teardown() must always be called
// in case of error.
idec->state_ = STATE_DATA;
return VP8_STATUS_OK;
}