{
static char errbuf[PCAP_ERRBUF_SIZE] = "";
- if (pcap_fp_rx != pcap_fp)
+ if (pcap_fp_rx && (pcap_fp_rx != pcap_fp))
pcap_close(pcap_fp_rx);
if (pcap_fp)
pcap_close(pcap_fp);
- pcap_fp_rx = pcap_fp;
+ pcap_fp_rx = NULL;
do {
pcap_fp = pcap_open_live(ifname, PCAP_MRU, 1, PCAP_TIMEOUT, errbuf);
#ifdef linux
- if (brname) {
+ if (brname)
pcap_fp_rx = pcap_open_live(brname, PCAP_MRU, 1, PCAP_TIMEOUT, errbuf);
- if (!pcap_fp_rx)
- pcap_fp_rx = pcap_fp;
- }
#endif
+ if (!pcap_fp_rx)
+ pcap_fp_rx = pcap_fp;
pcap_setfilter(pcap_fp_rx, &pktfilter);
if (first && !pcap_fp) {
DEBUG(1, "WARNING: unable to open interface '%s'\n", ifname);