netdev - Re: [PATCH net-next] tipc: fix inconsistent signal handling regression

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Date:	Mon, 09 Mar 2015 15:42:51 -0400 (EDT)
From:	David Miller <davem@...hat.com>
To:	erik.hugne@...csson.com
Cc:	netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net,
	jon.maloy@...csson.com, ying.xue@...driver.com,
	richard.alpe@...csson.com, laszlo.benedek@...csson.com
Subject: Re: [PATCH net-next] tipc: fix inconsistent signal handling
 regression

From: <erik.hugne@...csson.com>
Date: Mon, 9 Mar 2015 10:43:42 +0100

> From: Erik Hugne <erik.hugne@...csson.com>
> 
> Commit 9bbb4ecc6819 ("tipc: standardize recvmsg routine") changed
> the sleep/wakeup behaviour for sockets entering recv() or accept().
> In this process the order of reporting -EAGAIN/-EINTR was reversed.
> This caused problems with wrong errno being reported back if the
> timeout expires. The same problem happens if the socket is
> nonblocking and recv()/accept() is called when the process have
> pending signals. If there is no pending data read or connections to
> accept, -EINTR will be returned instead of -EAGAIN.
> 
> Signed-off-by: Erik Hugne <erik.hugne@...csson.com>
> Reviewed-by: Ying Xue <ying.xue@...driver.com>
> Reviewed-by: Jon Maloy <jon.maloy@...csson.com>
> Reported-by László Benedek <laszlo.benedek@...csson.com>

Applied, thanks.
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