pkt_sched: fq: avoid hang when quantum 0

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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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Kenneth Klette Jonassen 2015-02-03 17:49:18 +01:00 • committed by David S. Miller

parent db27ebb111

commit 3725a26981

1 changed files with 8 additions and 2 deletions

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10

net/sched/sch_fq.c

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