From 39ef24ccc4d3ee4f5805ca58dd9e1ed28ea92780 Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Mon, 16 Jan 2012 19:41:22 +0100
Subject: [PATCH] Fix pcap -i mode.

---
 src/suricata.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/suricata.c b/src/suricata.c
index 252068cb5b..40e8df9845 100644
--- a/src/suricata.c
+++ b/src/suricata.c
@@ -945,7 +945,7 @@ int main(int argc, char **argv)
 
             if (strcmp(pcap_dev, optarg) != 0) {
                 SCLogInfo("translated %s to pcap device %s", optarg, pcap_dev);
-            } else {
+            } else if (strlen(pcap_dev) > 0 && isdigit(pcap_dev[0])) {
                 SCLogError(SC_ERR_PCAP_TRANSLATE, "failed to find a pcap device for IP %s", optarg);
                 exit(EXIT_FAILURE);
             }