[PATCH net-next v2 3/6] net/x25: replace x25_kill_by_device with x25_kill_by_neigh

Martin Schiller
2020-11-16T13:55:22Z

Remove unnecessary function x25_kill_by_device.

Signed-off-by: Martin Schiller <ms@dev.tdt.de>
---

Change from v1:
fix 'subject_prefix' warning

---
net/x25/af_x25.c | 22 +++++-----------------
1 file changed, 5 insertions(+), 17 deletions(-)

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 4c2a395fdbdb..25726120fcc7 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -212,22 +212,6 @@ static void x25_remove_socket(struct sock *sk)
write_unlock_bh(&x25_list_lock);
}

-/*
- * Kill all bound sockets on a dropped device.
- */
-static void x25_kill_by_device(struct net_device *dev)
-{
- struct sock *s;
-
- write_lock_bh(&x25_list_lock);
-
- sk_for_each(s, &x25_list)
- if (x25_sk(s)->neighbour && x25_sk(s)->neighbour->dev == dev)
- x25_disconnect(s, ENETUNREACH, 0, 0);
-
- write_unlock_bh(&x25_list_lock);
-}
-
/*
* Handle device status changes.
*/
@@ -273,7 +257,11 @@ static int x25_device_event(struct notifier_block *this, unsigned long event,
case NETDEV_DOWN:
pr_debug("X.25: got event NETDEV_DOWN for device: %s\n",
dev->name);
- x25_kill_by_device(dev);
+ nb = x25_get_neigh(dev);
+ if (nb) {
+ x25_kill_by_neigh(nb);
+ x25_neigh_put(nb);
+ }
x25_route_device_down(dev);
x25_link_device_down(dev);
break;
--
2.20.1