From: Kenneth Klette Jonassen <kennetkl@ifi.uio.no>
Date: Tue, 3 Feb 2015 16:49:18 +0000 (+0100)
Subject: pkt_sched: fq: avoid hang when quantum 0
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~184^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3725a269815ba6dbb415feddc47da5af7d1fac58;p=pandora-kernel.git

pkt_sched: fq: avoid hang when quantum 0

Configuring fq with quantum 0 hangs the system, presumably because of a
non-interruptible infinite loop. Either way quantum 0 does not make sense.

Reproduce with:
sudo tc qdisc add dev lo root fq quantum 0 initial_quantum 0
ping 127.0.0.1

Signed-off-by: Kenneth Klette Jonassen <kennetkl@ifi.uio.no>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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