From: Libo Chen <clbchenlibo.chen-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: <jhs-jkUAjuhPggJWk0Htik3J/w@public.gmane.org>,
David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Serge Hallyn
<serge.hallyn-GeWIH/nMZzLQT0dZR+AlfA@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [RFC PATCH net-next 4/4] cls_cgroup: restore classid from skb->sk_classid
Date: Fri, 3 Jan 2014 11:11:17 +0800 [thread overview]
Message-ID: <52C62A55.4070901@huawei.com> (raw)
if skb->sk is NULL, we can try to restore from skb->bk_classid,
because we may have saved it.
Signed-off-by: Libo Chen <clbchenlibo.chen-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
---
net/sched/cls_cgroup.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index d228a5d..6ab0e69 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -141,9 +141,10 @@ static int cls_cgroup_classify(struct sk_buff *skb, const struct tcf_proto *tp,
*/
if (in_serving_softirq()) {
/* If there is an sk_classid we'll use that. */
- if (!skb->sk)
- return -1;
- classid = skb->sk->sk_classid;
+ if (skb->sk)
+ classid = skb->sk->sk_classid;
+ else
+ classid = skb->backup_classid;
}
if (!classid)
--
1.8.2.2
reply other threads:[~2014-01-03 3:11 UTC|newest]
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