Commit 63c0e907 authored by Michael Niedermayer's avatar Michael Niedermayer

avcodec/jpeg2000dec: fix near null pointer dereference

Fixes Ticket2840
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent c666c59a
......@@ -1343,13 +1343,15 @@ static void jpeg2000_dec_cleanup(Jpeg2000DecoderContext *s)
{
int tileno, compno;
for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++) {
for (compno = 0; compno < s->ncomponents; compno++) {
Jpeg2000Component *comp = s->tile[tileno].comp + compno;
Jpeg2000CodingStyle *codsty = s->tile[tileno].codsty + compno;
if (s->tile[tileno].comp) {
for (compno = 0; compno < s->ncomponents; compno++) {
Jpeg2000Component *comp = s->tile[tileno].comp + compno;
Jpeg2000CodingStyle *codsty = s->tile[tileno].codsty + compno;
ff_jpeg2000_cleanup(comp, codsty);
ff_jpeg2000_cleanup(comp, codsty);
}
av_freep(&s->tile[tileno].comp);
}
av_freep(&s->tile[tileno].comp);
}
av_freep(&s->tile);
s->numXtiles = s->numYtiles = 0;
......
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