avcodec/j2kenc: Check for av_strtok() failure

Fixes: CID1466601 Dereference null return value Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
4 years ago · 6a6a765fa4
parent 9d40782088
commit 6a6a765fa4
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/j2kenc.c
+++ b/libavcodec/j2kenc.c
@ -1682,7 +1682,7 @@ 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 {