net_wire: avoid segfault without pcap file

ff5d4d71 · Antoine Kaufmann · 2e3b2352 · ff5d4d71
Commit ff5d4d71 authored Sep 14, 2020 by Antoine Kaufmann
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net_wire/net_wire.c net_wire/net_wire.c +2 -1

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--- a/net_wire/net_wire.c
+++ b/net_wire/net_wire.c
@@ -164,6 +164,7 @@ int main(int argc, char *argv[])
            cur_ts = ts_b;
    }
-    pcap_dump_close(dumpfile);
+    if (dumpfile)
+        pcap_dump_close(dumpfile);
    return 0;
 }