Quoting Dan Smith (danms@xxxxxxxxxx):
> This value can grow higher than 16k, but it clamped at packet receive
> time if over that limit. Instead of failing here, just clamp to the same
> limit.
>
> Signed-off-by: Dan Smith <danms@xxxxxxxxxx>
> Cc: serue@xxxxxxxxxx
Tested-by: Serge Hallyn <serue@xxxxxxxxxx>
Thanks, Dan.
-serge
> Cc: orenl@xxxxxxxxxxx
> ---
> net/ipv4/checkpoint.c | 6 ++----
> 1 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/net/ipv4/checkpoint.c b/net/ipv4/checkpoint.c
> index 788e110..c80324f 100644
> --- a/net/ipv4/checkpoint.c
> +++ b/net/ipv4/checkpoint.c
> @@ -429,10 +429,8 @@ static int inet_precheck(struct socket *sock, struct ckpt_hdr_socket_inet *in)
> /* do_tcp_setsockopt() quietly makes this coercion */
> if (in->tcp.window_clamp < (SOCK_MIN_RCVBUF / 2))
> in->tcp.window_clamp = SOCK_MIN_RCVBUF / 2;
> - else if (in->tcp.window_clamp > 65535U) {
> - ckpt_debug("invalid window_clamp value\n");
> - return -EINVAL;
> - }
> + else
> + in->tcp.window_clamp = min(in->tcp.window_clamp, 65535U);
>
> if (in->tcp.rcv_ssthresh > (4U * in->tcp.advmss))
> in->tcp.rcv_ssthresh = 4U * in->tcp.advmss;
> --
> 1.6.2.5
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