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| author | David S. Miller <davem@davemloft.net> | 2020-02-27 18:31:39 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-02-27 18:31:39 -0800 |
| commit | 9f6e055907362f6692185c1c9658295d24095c74 (patch) | |
| tree | a7dc22fa7481300c92c0a33b54a32cb9ee551b5f /net/ipv4 | |
| parent | ec4a514a6870ee3a83fb8788635cf871ee32e665 (diff) | |
| parent | 7058b837899fc978c9f8a033fa29ab07360a85c8 (diff) | |
| download | linux-9f6e055907362f6692185c1c9658295d24095c74.tar.gz linux-9f6e055907362f6692185c1c9658295d24095c74.tar.bz2 linux-9f6e055907362f6692185c1c9658295d24095c74.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The mptcp conflict was overlapping additions.
The SMC conflict was an additional and removal happening at the same
time.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/cipso_ipv4.c | 7 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 6 |
2 files changed, 11 insertions, 2 deletions
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index 376882215919..0bd10a1f477f 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -1724,6 +1724,7 @@ void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway) { unsigned char optbuf[sizeof(struct ip_options) + 40]; struct ip_options *opt = (struct ip_options *)optbuf; + int res; if (ip_hdr(skb)->protocol == IPPROTO_ICMP || error != -EACCES) return; @@ -1735,7 +1736,11 @@ void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway) memset(opt, 0, sizeof(struct ip_options)); opt->optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr); - if (__ip_options_compile(dev_net(skb->dev), opt, skb, NULL)) + rcu_read_lock(); + res = __ip_options_compile(dev_net(skb->dev), opt, skb, NULL); + rcu_read_unlock(); + + if (res) return; if (gateway) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 316ebdf8151d..6b6b57000dad 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -6124,7 +6124,11 @@ static void tcp_rcv_synrecv_state_fastopen(struct sock *sk) { struct request_sock *req; - tcp_try_undo_loss(sk, false); + /* If we are still handling the SYNACK RTO, see if timestamp ECR allows + * undo. If peer SACKs triggered fast recovery, we can't undo here. + */ + if (inet_csk(sk)->icsk_ca_state == TCP_CA_Loss) + tcp_try_undo_loss(sk, false); /* Reset rtx states to prevent spurious retransmits_timed_out() */ tcp_sk(sk)->retrans_stamp = 0; |