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Date:	Fri, 04 Apr 2014 11:28:50 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	peterz@...radead.org
Cc:	eric.dumazet@...il.com, tglx@...utronix.de, ben@...adent.org.uk,
	mkl@...gutronix.de, linux-rt-users@...r.kernel.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	kernel@...gutronix.de
Subject: Re: [PATCH] net: sched: dev_deactivate_many(): use msleep(1)
 instead of yield() to wait for outstanding qdisc_run callsb

From: Peter Zijlstra <peterz@...radead.org>
Date: Fri, 4 Apr 2014 17:19:42 +0200

> And the above loop in tcp_output() is a plain memory deadlock, you
> should not loop on allocations like that. If the allocation fails;
> propagate the error.

There is nothing to "propagate" it to.  We have no "event" that will
trigger so that we have a second chance to send the FIN out, it really
must go out before we progress any further at this stage.
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