diff options
| author | Mark Brown <broonie@linaro.org> | 2013-09-15 13:43:21 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-09-15 13:43:21 +0100 |
| commit | 4ed4d44eb2192604716226a6f0edad02ab76101f (patch) | |
| tree | 74c2a4041e46b906d89c5880b9cdeb5d768827c4 /net/ipv4/tcp_input.c | |
| parent | cb03293a043ab9bda850fe143062bd304a9e2376 (diff) | |
| parent | 410dbb746130bc052bb3c7a337a86252874adbdf (diff) | |
Merge tag 'v3.10.12' into linux-linaro-lsklsk-13.09
This is the 3.10.12 stable release
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 9c6225780bd..4b75aad14b0 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3598,7 +3598,10 @@ static bool tcp_parse_aligned_timestamp(struct tcp_sock *tp, const struct tcphdr ++ptr; tp->rx_opt.rcv_tsval = ntohl(*ptr); ++ptr; - tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset; + if (*ptr) + tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset; + else + tp->rx_opt.rcv_tsecr = 0; return true; } return false; @@ -3623,7 +3626,7 @@ static bool tcp_fast_parse_options(const struct sk_buff *skb, } tcp_parse_options(skb, &tp->rx_opt, 1, NULL); - if (tp->rx_opt.saw_tstamp) + if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr) tp->rx_opt.rcv_tsecr -= tp->tsoffset; return true; @@ -5376,7 +5379,7 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb, int saved_clamp = tp->rx_opt.mss_clamp; tcp_parse_options(skb, &tp->rx_opt, 0, &foc); - if (tp->rx_opt.saw_tstamp) + if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr) tp->rx_opt.rcv_tsecr -= tp->tsoffset; if (th->ack) { |