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Merge commit 'd68fb1475856cf93199e2bc4eee3063902c35df7'

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* commit 'd68fb1475856cf93199e2bc4eee3063902c35df7':
  mjpegdec: Properly fail on malloc failure

Merged-by: Clément Bœsch <u@pkh.me>
This commit is contained in:
Clément Bœsch
2016-06-25 11:42:57 +02:00
parent 63ac806ccb d68fb14758
commit 2ab823d4a6
1 changed files with 29 additions and 25 deletions
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14
libavcodec/mjpegdec.c
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@@ -1876,9 +1876,11 @@ static int mjpeg_decode_com(MJpegDecodeContext *s)
{
int len = get_bits(&s->gb, 16);
if (len >= 2 && 8 * len - 16 <= get_bits_left(&s->gb)) {
char *cbuf = av_malloc(len - 1);
if (cbuf) {
int i;
char *cbuf = av_malloc(len - 1);
if (!cbuf)
return AVERROR(ENOMEM);
for (i = 0; i < len - 2; i++)
cbuf[i] = get_bits(&s->gb, 8);
if (i > 0 && cbuf[i - 1] == '\n')
@@ -1904,7 +1906,6 @@ static int mjpeg_decode_com(MJpegDecodeContext *s)
av_free(cbuf);
}
}
return 0;
}
@@ -2114,8 +2115,11 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
else if (start_code >= APP0 && start_code <= APP15)
mjpeg_decode_app(s);
/* Comment */
else if (start_code == COM)
mjpeg_decode_com(s);
else if (start_code == COM) {
ret = mjpeg_decode_com(s);
if (ret < 0)
return ret;
}
ret = -1;