diff options
| author | Alex Shi <alex.shi@linaro.org> | 2017-10-04 12:03:22 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-10-04 12:03:22 +0800 |
| commit | cda2b9481445e798669f00fb8275d595f1ff943f (patch) | |
| tree | b70f5c939c38f61ca7258746f125ddc901466508 /net/ipv4/tcp.c | |
| parent | 9173606ce35faae345352f97cdae0579c3d05c4a (diff) | |
| parent | 10def3a6779924f7bb130200b8b940caf2914111 (diff) | |
Merge tag 'v4.4.89' into linux-linaro-lsk-v4.4lsk-v4.4-17.09
This is the 4.4.89 stable release
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 0870a86e9d96..5597120c8ffd 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2260,6 +2260,10 @@ int tcp_disconnect(struct sock *sk, int flags) tcp_set_ca_state(sk, TCP_CA_Open); tcp_clear_retrans(tp); inet_csk_delack_init(sk); + /* Initialize rcv_mss to TCP_MIN_MSS to avoid division by 0 + * issue in __tcp_select_window() + */ + icsk->icsk_ack.rcv_mss = TCP_MIN_MSS; tcp_init_send_head(sk); memset(&tp->rx_opt, 0, sizeof(tp->rx_opt)); __sk_dst_reset(sk); |