From: Parthasarathy Bhuvaragan <[email protected]>
Date: Thu, 9 May 2019 07:13:42 +0200
> commit 517d7c79bdb398 ("tipc: fix hanging poll() for stream sockets")
> introduced a regression for clients using non-blocking sockets.
> After the commit, we send EPOLLOUT event to the client even in
> TIPC_CONNECTING state. This causes the subsequent send() to fail
> with ENOTCONN, as the socket is still not in TIPC_ESTABLISHED state.
>
> In this commit, we:
> - improve the fix for hanging poll() by replacing sk_data_ready()
> with sk_state_change() to wake up all clients.
> - revert the faulty updates introduced by commit 517d7c79bdb398
> ("tipc: fix hanging poll() for stream sockets").
>
> Fixes: 517d7c79bdb398 ("tipc: fix hanging poll() for stream sockets")
> Signed-off-by: Parthasarathy Bhuvaragan <[email protected]>
> Acked-by: Jon Maloy <[email protected]>
Applied and queued up for -stable.
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