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From 219c91bc23fbe762142736b3621bf10853a83b67 Mon Sep 17 00:00:00 2001
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Message-Id: <219c91bc23fbe762142736b3621bf10853a83b67@dist-git>
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From: Stefan Berger <stefanb@linux.vnet.ibm.com>
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Date: Thu, 20 Mar 2014 00:06:18 -0600
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Subject: [PATCH] nwfilter: Display pcap's error message when pcap setup fails
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https://bugzilla.redhat.com/show_bug.cgi?id=1078347
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Display the pcap error message in the log.
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Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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(cherry picked from commit 64df4c75189b42799f82a8d8816c7c55598d2b6e)
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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 src/nwfilter/nwfilter_dhcpsnoop.c | 5 +++--
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 1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/src/nwfilter/nwfilter_dhcpsnoop.c b/src/nwfilter/nwfilter_dhcpsnoop.c
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index 0b0eb47..e7dd4fa 100644
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--- a/src/nwfilter/nwfilter_dhcpsnoop.c
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+++ b/src/nwfilter/nwfilter_dhcpsnoop.c
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@@ -1116,8 +1116,9 @@ virNWFilterSnoopDHCPOpen(const char *ifname, virMacAddr *mac,
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     if (pcap_set_snaplen(handle, PCAP_PBUFSIZE) < 0 ||
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         pcap_set_buffer_size(handle, PCAP_BUFFERSIZE) < 0 ||
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         pcap_activate(handle) < 0) {
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-        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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-                       _("setup of pcap handle failed"));
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+        virReportError(VIR_ERR_INTERNAL_ERROR,
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+                       _("setup of pcap handle failed: %s"),
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+                       pcap_geterr(handle));
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         goto cleanup;
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     }
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-- 
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1.9.1
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