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avcodec/j2kenc: Check for av_strtok() failure

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Fixes: CID1466601 Dereference null return value

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6a6a765fa4ca57143453093af3bf8d1c8a52d0b0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-05-18 22:44:19 +02:00
parent 35a2e71385
commit 09f47af747
1 changed files with 1 additions and 1 deletions
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libavcodec/j2kenc.c
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@ -1679,7 +1679,7 @@ static int parse_layer_rates(Jpeg2000EncoderContext *s)
}
token = av_strtok(s->lr_str, ",", &saveptr);
if (rate = strtol(token, NULL, 10)) {
if (token && (rate = strtol(token, NULL, 10))) {
s->layer_rates[0] = rate <= 1 ? 0:rate;
nlayers++;
} else {