pkt_sched: fq: use proper locking in fq_dump_stats()

Browse source

commit 695b4ec0f0 upstream.

When fq is used on 32bit kernels, we need to lock the qdisc before
copying 64bit fields.

Otherwise "tc -s qdisc ..." might report bogus values.

Fixes: afe4fd0624 ("pkt_sched: fq: Fair Queue packet scheduler")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.16: keep using ktime_to_ns(ktime_get())]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

This commit is contained in:

Eric Dumazet 2016-09-15 16:20:01 -07:00 • committed by Ben Hutchings

parent 1fed0e6113

commit 353c74c7f5

1 changed files with 18 additions and 14 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

32

net/sched/sch_fq.c

View file