net/sched: qdisc_qstats_qlen_backlog() runs locklessly

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qdisc_qstats_qlen_backlog() can be called without qdisc spinlock being held.

Use qdisc_qlen_lockless() instead of qdisc_qlen().

Add a const qualifier to its first parameter (struct Qdisc *sch).

Fixes: edb09eb17e ("net: sched: do not acquire qdisc spinlock in qdisc/class stats dump")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@toke.dk>
Link: https://patch.msgid.link/20260513080853.1383975-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Eric Dumazet 2026-05-13 08:08:51 +00:00 • committed by Jakub Kicinski

parent f65d40643e

commit 72a1795999

1 changed files with 3 additions and 3 deletions

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include/net/sch_generic.h

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