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authorDavid S. Miller <davem@davemloft.net>2015-08-27 21:45:31 -0700
committerDavid S. Miller <davem@davemloft.net>2015-08-27 21:45:31 -0700
commit0d36938bb82a7775c21ce0a7429f08ba13d025b6 (patch)
treef502caf5555591ee237e14e5fa96b2c005a85036 /net/sched
parent55f14da66954083b621debbdbf62c7fc429291e8 (diff)
parent4941b8f0c2b9d88e8a6dacebf8b7faf603b98368 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/cls_u32.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index cab9e9b43967..4fbb67430ce4 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -490,6 +490,19 @@ static bool u32_destroy(struct tcf_proto *tp, bool force)
return false;
}
}
+
+ if (tp_c->refcnt > 1)
+ return false;
+
+ if (tp_c->refcnt == 1) {
+ struct tc_u_hnode *ht;
+
+ for (ht = rtnl_dereference(tp_c->hlist);
+ ht;
+ ht = rtnl_dereference(ht->next))
+ if (!ht_empty(ht))
+ return false;
+ }
}
if (root_ht && --root_ht->refcnt == 0)