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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-06-25 15:10:35 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-07-01 21:40:13 +0200 |
| commit | ca4d2c3c52155f00bebb4d343d64d48f0944a50c (patch) | |
| tree | 0d2863da581dde1d645dc6da4dea6f352216f28e | |
| parent | fd6cb26583700c4ea294ac367dcfe3c777624dca (diff) | |
| download | ffmpeg-ca4d2c3c52155f00bebb4d343d64d48f0944a50c.tar.gz | |
avcodec/bitstream: Don't check for undefined behaviour after it happened
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 5e196dac22cc510db104922f99626a03b453ef4a)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
| -rw-r--r-- | libavcodec/bitstream.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c index be8a0f634d..53a2db7451 100644 --- a/libavcodec/bitstream.c +++ b/libavcodec/bitstream.c @@ -162,9 +162,9 @@ static int build_table(VLC *vlc, int table_nb_bits, int nb_codes, uint32_t code; volatile VLC_TYPE (* volatile table)[2]; // the double volatile is needed to prevent an internal compiler error in gcc 4.2 - table_size = 1 << table_nb_bits; if (table_nb_bits > 30) return AVERROR(EINVAL); + table_size = 1 << table_nb_bits; table_index = alloc_table(vlc, table_size, flags & INIT_VLC_USE_NEW_STATIC); ff_dlog(NULL, "new table index=%d size=%d\n", table_index, table_size); if (table_index < 0) |