netdev - Re: [PATCH net v1 1/1] tipc: fix hanging poll() for stream sockets

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Date:   Thu, 28 Dec 2017 12:16:10 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     parthasarathy.bhuvaragan@...il.com
Cc:     netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net,
        jon.maloy@...csson.com
Subject: Re: [PATCH net v1 1/1] tipc: fix hanging poll() for stream sockets

From: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@...il.com>
Date: Thu, 28 Dec 2017 12:03:06 +0100

> In commit 42b531de17d2f6 ("tipc: Fix missing connection request
> handling"), we replaced unconditional wakeup() with condtional
> wakeup for clients with flags POLLIN | POLLRDNORM | POLLRDBAND.
> 
> This breaks the applications which do a connect followed by poll
> with POLLOUT flag. These applications are not woken when the
> connection is ESTABLISHED and hence sleep forever.
> 
> In this commit, we fix it by including the POLLOUT event for
> sockets in TIPC_CONNECTING state.
> 
> Fixes: 42b531de17d2f6 ("tipc: Fix missing connection request handling")
> Acked-by: Jon Maloy <jon.maloy@...csson.com>
> Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@...il.com>

Applied and queued up for -stable.