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vc1dec: Fix leaks in ff_vc1_decode_init_alloc_tables on errors 

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2013-09-20 11:16:00 +03:00
parent 91be1103fd
commit ede508443e
1 changed files with 13 additions and 2 deletions
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15
libavcodec/vc1dec.c
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@ -5525,8 +5525,19 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v)
if (!v->mv_type_mb_plane || !v->direct_mb_plane || !v->acpred_plane || !v->over_flags_plane ||
!v->block || !v->cbp_base || !v->ttblk_base || !v->is_intra_base || !v->luma_mv_base ||
!v->mb_type_base)
return -1;
!v->mb_type_base) {
av_freep(&v->mv_type_mb_plane);
av_freep(&v->direct_mb_plane);
av_freep(&v->acpred_plane);
av_freep(&v->over_flags_plane);
av_freep(&v->block);
av_freep(&v->cbp_base);
av_freep(&v->ttblk_base);
av_freep(&v->is_intra_base);
av_freep(&v->luma_mv_base);
av_freep(&v->mb_type_base);
return AVERROR(ENOMEM);
}
return 0;
}