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	net/tls: Fix return values to avoid ENOTSUPP
ENOTSUPP is not available in userspace, for example: setsockopt failed, 524, Unknown error 524 Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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					 4 changed files with 12 additions and 16 deletions
				
			
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			@ -429,7 +429,7 @@ static int tls_push_data(struct sock *sk,
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	if (flags &
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	    ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_SENDPAGE_NOTLAST))
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		return -ENOTSUPP;
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		return -EOPNOTSUPP;
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	if (unlikely(sk->sk_err))
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		return -sk->sk_err;
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			@ -571,7 +571,7 @@ int tls_device_sendpage(struct sock *sk, struct page *page,
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	lock_sock(sk);
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	if (flags & MSG_OOB) {
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		rc = -ENOTSUPP;
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		rc = -EOPNOTSUPP;
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		goto out;
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	}
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			@ -1023,7 +1023,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
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	}
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	if (!(netdev->features & NETIF_F_HW_TLS_TX)) {
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		rc = -ENOTSUPP;
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		rc = -EOPNOTSUPP;
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		goto release_netdev;
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	}
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			@ -1098,7 +1098,7 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx)
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	}
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	if (!(netdev->features & NETIF_F_HW_TLS_RX)) {
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		rc = -ENOTSUPP;
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		rc = -EOPNOTSUPP;
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		goto release_netdev;
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	}
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			@ -487,7 +487,7 @@ static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval,
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	/* check version */
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	if (crypto_info->version != TLS_1_2_VERSION &&
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	    crypto_info->version != TLS_1_3_VERSION) {
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		rc = -ENOTSUPP;
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		rc = -EINVAL;
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		goto err_crypto_info;
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	}
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			@ -714,7 +714,7 @@ static int tls_init(struct sock *sk)
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	 * share the ulp context.
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	 */
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	if (sk->sk_state != TCP_ESTABLISHED)
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		return -ENOTSUPP;
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		return -ENOTCONN;
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	/* allocate tls context */
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	write_lock_bh(&sk->sk_callback_lock);
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			@ -905,7 +905,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
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	int ret = 0;
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	if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL))
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		return -ENOTSUPP;
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		return -EOPNOTSUPP;
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	mutex_lock(&tls_ctx->tx_lock);
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	lock_sock(sk);
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			@ -1220,7 +1220,7 @@ int tls_sw_sendpage_locked(struct sock *sk, struct page *page,
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	if (flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL |
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		      MSG_SENDPAGE_NOTLAST | MSG_SENDPAGE_NOPOLICY |
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		      MSG_NO_SHARED_FRAGS))
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		return -ENOTSUPP;
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		return -EOPNOTSUPP;
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	return tls_sw_do_sendpage(sk, page, offset, size, flags);
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}
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			@ -1233,7 +1233,7 @@ int tls_sw_sendpage(struct sock *sk, struct page *page,
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	if (flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL |
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		      MSG_SENDPAGE_NOTLAST | MSG_SENDPAGE_NOPOLICY))
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		return -ENOTSUPP;
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		return -EOPNOTSUPP;
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	mutex_lock(&tls_ctx->tx_lock);
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	lock_sock(sk);
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			@ -1932,7 +1932,7 @@ ssize_t tls_sw_splice_read(struct socket *sock,  loff_t *ppos,
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		/* splice does not support reading control messages */
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		if (ctx->control != TLS_RECORD_TYPE_DATA) {
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			err = -ENOTSUPP;
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			err = -EINVAL;
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			goto splice_read_end;
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		}
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			@ -25,10 +25,6 @@
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#define TLS_PAYLOAD_MAX_LEN 16384
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#define SOL_TLS 282
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#ifndef ENOTSUPP
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#define ENOTSUPP 524
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#endif
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FIXTURE(tls_basic)
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{
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	int fd, cfd;
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			@ -1205,11 +1201,11 @@ TEST(non_established) {
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	/* TLS ULP not supported */
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	if (errno == ENOENT)
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		return;
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	EXPECT_EQ(errno, ENOTSUPP);
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	EXPECT_EQ(errno, ENOTCONN);
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	ret = setsockopt(sfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
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	EXPECT_EQ(ret, -1);
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	EXPECT_EQ(errno, ENOTSUPP);
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	EXPECT_EQ(errno, ENOTCONN);
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	ret = getsockname(sfd, &addr, &len);
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	ASSERT_EQ(ret, 0);
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