[PATCH 5.4 111/155] xfrm: handle NETDEV_UNREGISTER for xfrm device

Greg Kroah-Hartman
2020-03-31T09:16:35Z

From: Raed Salem <raeds@mellanox.com>

commit 03891f820c2117b19e80b370281eb924a09cf79f upstream.

This patch to handle the asynchronous unregister
device event so the device IPsec offload resources
could be cleanly released.

Fixes: e4db5b61c572 ("xfrm: policy: remove pcpu policy cache")
Signed-off-by: Raed Salem <raeds@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
net/xfrm/xfrm_device.c | 1 +
1 file changed, 1 insertion(+)

--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -390,6 +390,7 @@ static int xfrm_dev_event(struct notifie
return xfrm_dev_feat_change(dev);

case NETDEV_DOWN:
+ case NETDEV_UNREGISTER:
return xfrm_dev_down(dev);
}
return NOTIFY_DONE;