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jpeg2000: fix null pointer dereference in case of malloc failure 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-23 17:50:12 +02:00
parent 09927f3eaa
commit 9e477a3770
1 changed files with 11 additions and 9 deletions
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2
libavcodec/jpeg2000.c
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@ -507,6 +507,7 @@ void ff_jpeg2000_cleanup(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty)
Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
for (bandno = 0; bandno < reslevel->nbands; bandno++) {
if (reslevel->band) {
Jpeg2000Band *band = reslevel->band + bandno;
for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++) {
if (band->prec) {
@ -519,6 +520,7 @@ void ff_jpeg2000_cleanup(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty)
av_freep(&band->prec);
}
}
av_freep(&reslevel->band);
}