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fixed mem leak in webp compression

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This commit is contained in:
Norman Barker 2018-11-28 15:45:39 -06:00
parent 4e3faaf6f5
commit 9323b7b139
1 changed files with 10 additions and 4 deletions
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14
libtiff/tif_webp.c
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@ -419,6 +419,12 @@ TWebPPreEncode(TIFF* tif, uint16 s)
/* set up buffer for raw data */
/* given above check and that nSamples <= 4, buffer_size is <= 1 GB */
sp->buffer_size = segment_width * segment_height * sp->nSamples;
if (sp->pBuffer != NULL) {
_TIFFfree(sp->pBuffer);
sp->pBuffer = NULL;
}
sp->pBuffer = _TIFFmalloc(sp->buffer_size);
if( !sp->pBuffer) {
TIFFErrorExt(tif->tif_clientdata, module, "Cannot allocate buffer");
@ -464,7 +470,7 @@ TWebPPostEncode(TIFF* tif)
"WebPPictureImportRGB() failed");
return 0;
}
if (!WebPEncode(&sp->sEncoderConfig, &sp->sPicture)) {
#if WEBP_ENCODER_ABI_VERSION >= 0x0100
@ -544,10 +550,10 @@ TWebPCleanup(TIFF* tif)
}
if (sp->pBuffer != NULL) {
_TIFFfree(sp->pBuffer);
sp->pBuffer = NULL;
_TIFFfree(sp->pBuffer);
sp->pBuffer = NULL;
}
if (tif->tif_data) {
_TIFFfree(tif->tif_data);
tif->tif_data = NULL;