From: Ben Pfaff <blp@nicira.com>
Date: Tue, 11 Jan 2011 22:12:03 +0000 (-0800)
Subject: netlink: Log duplicate attributes in nl_policy_parse().
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33cada0cf1f24beb79c23328acb2bf9860c34679;p=openvswitch

netlink: Log duplicate attributes in nl_policy_parse().

This made finding one particular bug slightly easier for me.

Reviewed by Justin Pettit.
---

diff --git a/lib/netlink.c b/lib/netlink.c
index 48a52ee3..725bba02 100644
--- a/lib/netlink.c
+++ b/lib/netlink.c
@@ -582,6 +582,9 @@ nl_policy_parse(const struct ofpbuf *msg, size_t nla_offset,
                 assert(n_required > 0);
                 --n_required;
             }
+            if (attrs[type]) {
+                VLOG_DBG_RL(&rl, "%zu: duplicate attr %"PRIu16, offset, type);
+            }
             attrs[type] = nla;
         } else {
             /* Skip attribute type that we don't care about. */