netdev - [RFC PATCH 02/12] net: sched: free per cpu bstats

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 30 Dec 2015 09:51:30 -0800
From:	John Fastabend <john.fastabend@...il.com>
To:	daniel@...earbox.net, eric.dumazet@...il.com, jhs@...atatu.com,
	aduyck@...antis.com, brouer@...hat.com, davem@...emloft.net
Cc:	john.r.fastabend@...el.com, netdev@...r.kernel.org,
	john.fastabend@...il.com
Subject: [RFC PATCH 02/12] net: sched: free per cpu bstats

When a qdisc is using per cpu stats only the bstats are being
freed. This also free's the qstats.

Signed-off-by: John Fastabend <john.r.fastabend@...el.com>
---
 net/sched/sch_generic.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index e82a1ad..16bc83b 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -658,8 +658,10 @@ static void qdisc_rcu_free(struct rcu_head *head)
 {
 	struct Qdisc *qdisc = container_of(head, struct Qdisc, rcu_head);
 
-	if (qdisc_is_percpu_stats(qdisc))
+	if (qdisc_is_percpu_stats(qdisc)) {
 		free_percpu(qdisc->cpu_bstats);
+		free_percpu(qdisc->cpu_qstats);
+	}
 
 	kfree((char *) qdisc - qdisc->padded);
 }

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html