From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 2 Jan 2012 11:47:50 +0000 (+0000)
Subject: sch_qfq: accurate wsum handling
X-Git-Tag: v3.3-rc1~182^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d32ae76f2b776347051cf821ebe690602e38dfc7;p=pandora-kernel.git

sch_qfq: accurate wsum handling

We can underestimate q->wsum in case of "tc class replace ... qfq"
and/or qdisc_create_dflt() error.

wsum is not really used in fast path, only at qfq qdisc/class setup,
to catch user error.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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