On Mon, 2015-08-10 at 13:29 -0400, Jason Baron wrote:
> > +
> >
> >
> >
> >
>
> thanks. better?
>
> --- a/include/net/sock.h
> +++ b/include/net/sock.h
> @@ -798,8 +798,10 @@ static inline int sk_stream_min_wspace(const struct
> sock *sk)
>
> static inline int sk_stream_wspace(const struct sock *sk)
> {
> - if (sk->sk_effective_sndbuf)
> - return sk->sk_effective_sndbuf - sk->sk_wmem_queued;
> + int effective_sndbuf = sk->sk_effective_sndbuf;
> +
> + if (effective_sndbuf)
> + return effective_sndbuf - sk->sk_wmem_queued;
>
> return sk->sk_sndbuf - sk->sk_wmem_queued;
> }
>
>
You need to use instead :
int effective_sndbuf = READ_ONCE(sk->sk_effective_sndbuf);
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