From bfe71705020e238658d391e1c3349dbf25794e9d Mon Sep 17 00:00:00 2001
From: Sudeepta Bhuyan <sudeepta.bhuyan@yahoo.com>
Date: Thu, 16 Jul 2015 17:17:29 +0530
Subject: [PATCH] Fix for segmentation fault #165

---
 src/rawsock.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/rawsock.c b/src/rawsock.c
index 738df380..edbf97bf 100644
--- a/src/rawsock.c
+++ b/src/rawsock.c
@@ -660,7 +660,12 @@ rawsock_init_adapter(const char *adapter_name,
      *  Since a lot of things can go wrong, we do a lot of extra
      *  logging here.
      *----------------------------------------------------------------*/
-    if (is_pfring || is_pfring_dna(adapter_name)) {
+    if(is_pfring && !is_pfring_dna(adapter_name)){ /*First ensure pfring dna adapter is available*/
+        fprintf(stderr,"No pfring adapter available. Please install pfring or run masscan without the --pfring option.\n");
+        return 0;
+    }
+
+    if (is_pfring_dna(adapter_name)) {
         int err;
         unsigned version;