dag_get_datalink() sets the error message; no need to set it after it fails.

If it returns a value < 0, it's already set the error message; we don't
have to do so in that case.

diff --git a/pcap-dag.c b/pcap-dag.c
index 91965bcb70ebbfb766910acf18fd416ad665ac8e..af7c81514574dfcdece8c4aab7afb1d7d7daf037 100644 (file)
--- a/pcap-dag.c
+++ b/pcap-dag.c
@@ -968,8 +968,6 @@ static int dag_activate(pcap_t* p)
        p->linktype = -1;
        if (dag_get_datalink(p) < 0) {
                ret = PCAP_ERROR;
-               pcap_fmt_errmsg_for_errno(p->errbuf, PCAP_ERRBUF_SIZE,
-                   errno, "dag_get_datalink %s", device);
                goto failstop;
        }