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

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Remove unnecessary function x25_kill_by_device.

Signed-off-by: Martin Schiller <ms@xxxxxxxxxx>
---

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




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