pcap: don't fail with --pcap with no device present

Issue: 1856. A device with the name of "" (empty string) was being added with LiveRegisterDevice which failed to initialize causing Suricata to fail.
9 years ago · 2403af5177
parent ec602089a0
commit 2403af5177
1 changed files with 3 additions and 1 deletions
--- a/src/suricata.c
+++ b/src/suricata.c
@ -1167,7 +1167,9 @@ static int ParseCommandLinePcapLive(SCInstance *suri, const char *optarg)

    if (suri->run_mode == RUNMODE_UNKNOWN) {
        suri->run_mode = RUNMODE_PCAP_DEV;
+        if (optarg) {
            LiveRegisterDevice(suri->pcap_dev);
+        }
    } else if (suri->run_mode == RUNMODE_PCAP_DEV) {
 #ifdef OS_WIN32
        SCLogError(SC_ERR_PCAP_MULTI_DEV_NO_SUPPORT, "pcap multi dev "