Commit 86cdf9ca authored by Vinay Kumar Yadav's avatar Vinay Kumar Yadav Committed by Jakub Kicinski
Browse files

chelsio/chtls: fix panic when server is on ipv6 



Netdev is filled in egress_dev when connection is established,
If connection is closed before establishment, then egress_dev
is NULL, Fix it using ip_dev_find() rather then extracting from
egress_dev.

Fixes: 6abde0b2 ("crypto/chtls: IPv6 support for inline TLS")
Signed-off-by: default avatarVenkatesh Ellapu <venkatesh.e@chelsio.com>
Signed-off-by: default avatarVinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 81519d1f

drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c

+2 −3
Original line number Diff line number Diff line
@@ -736,14 +736,13 @@ void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk) 


#if IS_ENABLED(CONFIG_IPV6)

	if (sk->sk_family == PF_INET6) {

		struct chtls_sock *csk;

		struct net_device *ndev = chtls_find_netdev(cdev, sk);

		int addr_type = 0;



		csk = rcu_dereference_sk_user_data(sk);

		addr_type = ipv6_addr_type((const struct in6_addr *)

					  &sk->sk_v6_rcv_saddr);

		if (addr_type != IPV6_ADDR_ANY)

			cxgb4_clip_release(csk->egress_dev, (const u32 *)

			cxgb4_clip_release(ndev, (const u32 *)

					   &sk->sk_v6_rcv_saddr, 1);

	}

#endif