linux-kernel - [PATCH 5.9 032/757] chelsio/chtls: correct netdevice for vlan interface

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Date:   Tue, 27 Oct 2020 14:44:42 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Venkatesh Ellapu <venkatesh.e@...lsio.com>,
        Vinay Kumar Yadav <vinay.yadav@...lsio.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.9 032/757] chelsio/chtls: correct netdevice for vlan interface

From: Vinay Kumar Yadav <vinay.yadav@...lsio.com>

[ Upstream commit 81519d1f7df7ed1bd5b1397540c8884438f57ae2 ]

Check if netdevice is a vlan interface and find real vlan netdevice.

Fixes: cc35c88ae4db ("crypto : chtls - CPL handler definition")
Signed-off-by: Venkatesh Ellapu <venkatesh.e@...lsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@...lsio.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/crypto/chelsio/chtls/chtls_cm.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -1157,6 +1157,9 @@ static struct sock *chtls_recv_sock(stru
 	ndev = n->dev;
 	if (!ndev)
 		goto free_dst;
+	if (is_vlan_dev(ndev))
+		ndev = vlan_dev_real_dev(ndev);
+
 	port_id = cxgb4_port_idx(ndev);
 
 	csk = chtls_sock_create(cdev);