netdev - [PATCH net] xfrm: handle NETDEV_UNREGISTER for xfrm device

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Date:   Sun,  2 Feb 2020 13:19:34 +0200
From:   Raed Salem <raeds@...lanox.com>
To:     steffen.klassert@...unet.com
Cc:     netdev@...r.kernel.org, Raed Salem <raeds@...lanox.com>
Subject: [PATCH net] xfrm: handle NETDEV_UNREGISTER for xfrm device

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@...lanox.com>
Reviewed-by: Boris Pismenny <borisp@...lanox.com>
Reviewed-by: Saeed Mahameed <saeedm@...lanox.com>
---
 net/xfrm/xfrm_device.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 189ef15..64486ad 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -390,6 +390,7 @@ static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void
 		return xfrm_dev_feat_change(dev);
 
 	case NETDEV_DOWN:
+	case NETDEV_UNREGISTER:
 		return xfrm_dev_down(dev);
 	}
 	return NOTIFY_DONE;
-- 
1.9.4