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authorMark Brown <broonie@linaro.org>2013-09-15 13:43:21 +0100
committerMark Brown <broonie@linaro.org>2013-09-15 13:43:21 +0100
commit4ed4d44eb2192604716226a6f0edad02ab76101f (patch)
tree74c2a4041e46b906d89c5880b9cdeb5d768827c4 /net/ipv4/tcp_input.c
parentcb03293a043ab9bda850fe143062bd304a9e2376 (diff)
parent410dbb746130bc052bb3c7a337a86252874adbdf (diff)
downloadvexpress-lsk-3d6bd6b6e7023c6b0fba1e3a71471c3318bf2485.tar.gz
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.c9
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) {