On Wed, 2015-10-21 at 14:03 +0100, Alan Burlison wrote:
> On 21/10/2015 12:28, Eric Dumazet wrote:
>
> > This works for me. Please double check your programs
>
> I have just done so, it works as you say for AF_INET sockets but if you
> switch to AF_UNIX sockets it does the wrong thing in the way I described.
>
Oh well. Please try the following :
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 94f658235fb4..24dec8bb571d 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -328,7 +328,8 @@ found:
static inline int unix_writable(struct sock *sk)
{
- return (atomic_read(&sk->sk_wmem_alloc) << 2) <= sk->sk_sndbuf;
+ return sk->sk_state != TCP_LISTEN &&
+ (atomic_read(&sk->sk_wmem_alloc) << 2) <= sk->sk_sndbuf;
}
static void unix_write_space(struct sock *sk)
--
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