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quagga: Netlink error message following Notification send

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Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com>
Reviewed-by:   Vivek Venkatraman <vivek@cumulusnetworks.com>

Ticket: CM-9501
This commit is contained in:
Daniel Walton 2016-03-16 20:56:15 +00:00
parent 59ecefe2db
commit c5344534ff
1 changed files with 10 additions and 2 deletions
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12
zebra/rt_netlink.c
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@ -58,6 +58,9 @@ static const struct message nlmsg_str[] = {
{RTM_NEWADDR, "RTM_NEWADDR"},
{RTM_DELADDR, "RTM_DELADDR"},
{RTM_GETADDR, "RTM_GETADDR"},
{RTM_NEWNEIGH, "RTM_NEWNEIGH"},
{RTM_DELNEIGH, "RTM_DELNEIGH"},
{RTM_GETNEIGH, "RTM_GETNEIGH"},
{0, NULL}
};
@ -389,8 +392,13 @@ netlink_parse_info (int (*filter) (struct sockaddr_nl *, struct nlmsghdr *,
return 0;
}
if (nl == &zns->netlink_cmd
&& msg_type == RTM_NEWROUTE && -errnum == ESRCH)
/* We see RTM_DELNEIGH when shutting down an interface with an IPv4
* link-local. The kernel should have already deleted the neighbor
* so do not log these as an error.
*/
if (msg_type == RTM_DELNEIGH ||
(nl == &zns->netlink_cmd && msg_type == RTM_NEWROUTE &&
(-errnum == ESRCH || -errnum == ENETUNREACH)))
{
/* This is known to happen in some situations, don't log
* as error.