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mpjpegdec: don't try to alloc an AVIOContext when probe is guaranteed to fail
The first check is done without the AVIOContext, so alloc it only if said check succeeds Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Janne Grunau <janne-libav@jannau.net>
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@ -83,13 +83,13 @@ static int mpjpeg_read_probe(AVProbeData *p)
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char line[128] = { 0 };
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int ret = 0;
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if (p->buf_size < 2 || p->buf[0] != '-' || p->buf[1] != '-')
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return 0;
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pb = avio_alloc_context(p->buf, p->buf_size, 0, NULL, NULL, NULL, NULL);
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if (!pb)
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return AVERROR(ENOMEM);
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if (p->buf_size < 2 || p->buf[0] != '-' || p->buf[1] != '-')
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goto end;
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while (!pb->eof_reached) {
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ret = get_line(pb, line, sizeof(line));
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if (ret < 0)
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@ -101,7 +101,7 @@ static int mpjpeg_read_probe(AVProbeData *p)
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break;
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}
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}
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end:
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av_free(pb);
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return ret;
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