[FFmpeg-cvslog] avformat/lmlm4: Eliminate some AVERROR(EIO)

[Michael Niedermayer]

ffmpeg | branch: release/4.3 | Michael Niedermayer <michael at niedermayer.cc> | Sat Jul 13 09:16:48 2024 +0200| [b583dd4e4485011c1a53280ef8d92a5606ea3e04] | committer: Michael Niedermayer

avformat/lmlm4: Eliminate some AVERROR(EIO)

Found by code review related to CID732224 Overflowed constant

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 191a685010319cb0d248771574c7c61d76e4eb95)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b583dd4e4485011c1a53280ef8d92a5606ea3e04
---

 libavformat/lmlm4.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavformat/lmlm4.c b/libavformat/lmlm4.c
index 79d703a8fc..186bffba3a 100644
--- a/libavformat/lmlm4.c
+++ b/libavformat/lmlm4.c
@@ -94,15 +94,15 @@ static int lmlm4_read_packet(AVFormatContext *s, AVPacket *pkt)
 
     if (frame_type > LMLM4_MPEG1L2 || frame_type == LMLM4_INVALID) {
         av_log(s, AV_LOG_ERROR, "invalid or unsupported frame_type\n");
-        return AVERROR(EIO);
+        return AVERROR_INVALIDDATA;
     }
     if (packet_size > LMLM4_MAX_PACKET_SIZE || packet_size<=8) {
         av_log(s, AV_LOG_ERROR, "packet size %d is invalid\n", packet_size);
-        return AVERROR(EIO);
+        return AVERROR_INVALIDDATA;
     }
 
     if ((ret = av_get_packet(pb, pkt, frame_size)) <= 0)
-        return AVERROR(EIO);
+        return ret < 0 ? ret : AVERROR(EIO);
 
     avio_skip(pb, padding);