Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Raed Salem <raeds@mellanox.com>,
        Boris Pismenny <borisp@mellanox.com>,
        Saeed Mahameed <saeedm@mellanox.com>,
        Steffen Klassert <steffen.klassert@secunet.com>
Subject: [PATCH 5.5 122/170] xfrm: handle NETDEV_UNREGISTER for xfrm device
Date:   Tue, 31 Mar 2020 10:58:56 +0200
Message-Id: <20200331085436.978428749@linuxfoundation.org>
In-Reply-To: <20200331085423.990189598@linuxfoundation.org>
References: <20200331085423.990189598@linuxfoundation.org>
User-Agent: quilt/0.66
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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;