diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2021-08-27 03:44:50 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-08-27 11:45:07 +0300 |
| commit | 8d548ea1dd157a40ff5882224795a82a5b9abfe6 (patch) | |
| tree | 59811955fd1543c9776e58e4c41122d9ea93ef98 /net/mptcp/options.c | |
| parent | 3aa7857fe1d7ac7f600f5b7e1530396fb06822bf (diff) | |
| download | linux-8d548ea1dd157a40ff5882224795a82a5b9abfe6.tar.xz | |
mptcp: do not set unconditionally csum_reqd on incoming opt
Should be set only if the ingress packets present it, otherwise
we can confuse csum validation.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/options.c')
| -rw-r--r-- | net/mptcp/options.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/net/mptcp/options.c b/net/mptcp/options.c index bec3ed82e253..f012a71dd996 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -355,8 +355,6 @@ void mptcp_get_options(const struct sock *sk, const struct sk_buff *skb, struct mptcp_options_received *mp_opt) { - struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); - struct mptcp_sock *msk = mptcp_sk(subflow->conn); const struct tcphdr *th = tcp_hdr(skb); const unsigned char *ptr; int length; @@ -372,7 +370,7 @@ void mptcp_get_options(const struct sock *sk, mp_opt->dss = 0; mp_opt->mp_prio = 0; mp_opt->reset = 0; - mp_opt->csum_reqd = READ_ONCE(msk->csum_enabled); + mp_opt->csum_reqd = 0; mp_opt->deny_join_id0 = 0; mp_opt->mp_fail = 0; |