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avcodec/bitstream: Dont try to free buffers for static VLCs

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Such buffers are not malloced thus freeing would be bad.
Note though this condition never could have happened so this
is more for correctness sake and not a true bugfix

Fixes CID1061047

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-08 15:05:48 +02:00
parent e1a5ee25e0
commit 9386f334af
1 changed files with 4 additions and 2 deletions
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6
libavcodec/bitstream.c
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@ -304,13 +304,15 @@ int ff_init_vlc_sparse(VLC *vlc, int nb_bits, int nb_codes,
continue; \
if (buf[j].bits > 3*nb_bits || buf[j].bits>32) { \
av_log(NULL, AV_LOG_ERROR, "Too long VLC (%d) in init_vlc\n", buf[j].bits);\
av_free(buf); \
if (!(flags & INIT_VLC_USE_NEW_STATIC)) \
av_free(buf); \
return -1; \
} \
GET_DATA(buf[j].code, codes, i, codes_wrap, codes_size); \
if (buf[j].code >= (1LL<<buf[j].bits)) { \
av_log(NULL, AV_LOG_ERROR, "Invalid code in init_vlc\n"); \
av_free(buf); \
if (!(flags & INIT_VLC_USE_NEW_STATIC)) \
av_free(buf); \
return -1; \
} \
if (flags & INIT_VLC_LE) \