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-rw-r--r--net/sched/cls_api.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index baef987fe2c0..8b0470e418dc 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -286,7 +286,7 @@ replay:
RCU_INIT_POINTER(*back, next);
tfilter_notify(net, skb, n, tp, fh, RTM_DELTFILTER);
- tcf_destroy(tp);
+ tcf_destroy(tp, true);
err = 0;
goto errout;
}
@@ -301,14 +301,20 @@ replay:
err = -EEXIST;
if (n->nlmsg_flags & NLM_F_EXCL) {
if (tp_created)
- tcf_destroy(tp);
+ tcf_destroy(tp, true);
goto errout;
}
break;
case RTM_DELTFILTER:
err = tp->ops->delete(tp, fh);
- if (err == 0)
+ if (err == 0) {
tfilter_notify(net, skb, n, tp, fh, RTM_DELTFILTER);
+ if (tcf_destroy(tp, false)) {
+ struct tcf_proto *next = rtnl_dereference(tp->next);
+
+ RCU_INIT_POINTER(*back, next);
+ }
+ }
goto errout;
case RTM_GETTFILTER:
err = tfilter_notify(net, skb, n, tp, fh, RTM_NEWTFILTER);
@@ -329,7 +335,7 @@ replay:
tfilter_notify(net, skb, n, tp, fh, RTM_NEWTFILTER);
} else {
if (tp_created)
- tcf_destroy(tp);
+ tcf_destroy(tp, true);
}
errout:
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