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mpls: Send route delete notifications when router module is unloaded

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[ Upstream commit e37791ec1a ]

When the mpls_router module is unloaded, mpls routes are deleted but
notifications are not sent to userspace leaving userspace caches
out of sync. Add the call to mpls_notify_route in mpls_net_exit as
routes are freed.

Fixes: 0189197f44 ("mpls: Basic routing support")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Ahern 2017-03-10 09:46:15 -08:00 committed by Greg Kroah-Hartman
parent 710fbeb3f5
commit b57955ea30
1 changed files with 1 additions and 0 deletions
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net/mpls/af_mpls.c
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@ -1567,6 +1567,7 @@ static void mpls_net_exit(struct net *net)
for (index = 0; index < platform_labels; index++) {
struct mpls_route *rt = rtnl_dereference(platform_label[index]);
RCU_INIT_POINTER(platform_label[index], NULL);
mpls_notify_route(net, index, rt, NULL, NULL);
mpls_rt_free(rt);
}
rtnl_unlock();