Merge branch 'collectd-4.5' into collectd-4.6

[collectd.git] / src / dns.c

diff --git a/src/dns.c b/src/dns.c
index d82cbd8..476b6dd 100644 (file)
--- a/src/dns.c
+++ b/src/dns.c
@@ -195,7 +195,7 @@ static void dns_child_callback (const rfc1035_header_t *dns)
        pthread_mutex_unlock (&opcode_mutex);
 }
 
-static void *dns_child_loop (void *dummy)
+static void *dns_child_loop (void __attribute__((unused)) *dummy)
 {
        pcap_t *pcap_obj;
        char    pcap_error[PCAP_ERRBUF_SIZE];
@@ -212,7 +212,7 @@ static void *dns_child_loop (void *dummy)
 
        /* Passing `pcap_device == NULL' is okay and the same as passign "any" */
        DEBUG ("Creating PCAP object..");
-       pcap_obj = pcap_open_live (pcap_device,
+       pcap_obj = pcap_open_live ((pcap_device != NULL) ? pcap_device : "any",
                        PCAP_SNAPLEN,
                        0 /* Not promiscuous */,
                        interval_g,