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From d55b6f4f1b2bfab96ad57e0239b0b2b57785df77 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 29 Feb 2012 01:19:18 -0800
Subject: [PATCH] Don't fail if netfilter isn't enabled in the kernel.
Check for EPROTONOSUPPORT as well as EAFNOSUPPORT.
Reviewed-By: Guy Harris <guy@alum.mit.edu>
---
pcap-netfilter-linux.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/pcap-netfilter-linux.c b/pcap-netfilter-linux.c
index 225e49f..f9c6bef 100644
--- a/pcap-netfilter-linux.c
+++ b/pcap-netfilter-linux.c
@@ -452,8 +452,8 @@ netfilter_platform_finddevs(pcap_if_t **alldevsp, char *err_str)
sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER);
if (sock < 0) {
- /* if netlink is not supported this this is not fatal */
- if (errno == EAFNOSUPPORT)
+ /* if netlink is not supported this is not fatal */
+ if (errno == EAFNOSUPPORT || errno == EPROTONOSUPPORT)
return 0;
snprintf(err_str, PCAP_ERRBUF_SIZE, "Can't open netlink socket %d:%s",
errno, pcap_strerror(errno));
--
1.7.10
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