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authorDavid Ahern <dsa@cumulusnetworks.com>2017-03-10 20:46:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-22 14:43:34 +0300
commitb61206e253020adbfde31f662ec7b5ea8b54935f (patch)
treeae8292b62fe8ef6c6c031cf7f2522ae29b2e29a2
parent47c8dc47c0080c86c9aba36f58f6fb4a7bf84c0c (diff)
downloadlinux-b61206e253020adbfde31f662ec7b5ea8b54935f.tar.xz
mpls: Send route delete notifications when router module is unloaded
[ Upstream commit e37791ec1ad785b59022ae211f63a16189bacebf ] 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: 0189197f44160 ("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>
-rw-r--r--net/mpls/af_mpls.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 5b77377e5a15..2a21ff14c07d 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1696,6 +1696,7 @@ 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();