diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/hci_conn.c | 6 | ||||
| -rw-r--r-- | net/bluetooth/smp.c | 13 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 8 | ||||
| -rw-r--r-- | net/ipv6/ip6_gre.c | 2 |
4 files changed, 23 insertions, 6 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 25bfce0666e..4925a02ae7e 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -249,12 +249,12 @@ static void hci_conn_disconnect(struct hci_conn *conn) __u8 reason = hci_proto_disconn_ind(conn); switch (conn->type) { - case ACL_LINK: - hci_acl_disconn(conn, reason); - break; case AMP_LINK: hci_amp_disconn(conn, reason); break; + default: + hci_acl_disconn(conn, reason); + break; } } diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 68a9587c969..5abefb12891 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -859,6 +859,19 @@ int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb) skb_pull(skb, sizeof(code)); + /* + * The SMP context must be initialized for all other PDUs except + * pairing and security requests. If we get any other PDU when + * not initialized simply disconnect (done if this function + * returns an error). + */ + if (code != SMP_CMD_PAIRING_REQ && code != SMP_CMD_SECURITY_REQ && + !conn->smp_chan) { + BT_ERR("Unexpected SMP command 0x%02x. Disconnecting.", code); + kfree_skb(skb); + return -ENOTSUPP; + } + switch (code) { case SMP_CMD_PAIRING_REQ: reason = smp_cmd_pairing_req(conn, skb); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 680c4224ed9..ad70a962c20 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3484,8 +3484,7 @@ static bool tcp_process_frto(struct sock *sk, int flag) ((tp->frto_counter >= 2) && (flag & FLAG_RETRANS_DATA_ACKED))) tp->undo_marker = 0; - if (!before(tp->snd_una, tp->frto_highmark) || - !tcp_packets_in_flight(tp)) { + if (!before(tp->snd_una, tp->frto_highmark)) { tcp_enter_frto_loss(sk, (tp->frto_counter == 1 ? 2 : 3), flag); return true; } @@ -3505,6 +3504,11 @@ static bool tcp_process_frto(struct sock *sk, int flag) } } else { if (!(flag & FLAG_DATA_ACKED) && (tp->frto_counter == 1)) { + if (!tcp_packets_in_flight(tp)) { + tcp_enter_frto_loss(sk, 2, flag); + return true; + } + /* Prevent sending of new data. */ tp->snd_cwnd = min(tp->snd_cwnd, tcp_packets_in_flight(tp)); diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index c727e471275..131dd097736 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -960,7 +960,7 @@ static netdev_tx_t ip6gre_tunnel_xmit(struct sk_buff *skb, int ret; if (!ip6_tnl_xmit_ctl(t)) - return -1; + goto tx_err; switch (skb->protocol) { case htons(ETH_P_IP): |