From 284fffa92fc54315f7974649b10a38a87f7a48ea Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Thu, 25 Jun 2020 15:10:35 +0200 Subject: [PATCH] avcodec/bitstream: Don't check for undefined behaviour after it happened Reviewed-by: Michael Niedermayer Signed-off-by: Andreas Rheinhardt (cherry picked from commit 5e196dac22cc510db104922f99626a03b453ef4a) Signed-off-by: Andreas Rheinhardt --- libavcodec/bitstream.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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)