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-rw-r--r--libavcodec/jpeg2000.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c
index 66f7bed94b..bf46398361 100644
--- a/libavcodec/jpeg2000.c
+++ b/libavcodec/jpeg2000.c
@@ -484,7 +484,9 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
void ff_jpeg2000_cleanup(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty)
{
int reslevelno, bandno, precno;
- for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
+ for (reslevelno = 0;
+ comp->reslevel && reslevelno < codsty->nreslevels;
+ reslevelno++) {
Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
for (bandno = 0; bandno < reslevel->nbands; bandno++) {