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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2015-10-19 08:35:30 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2015-10-19 08:35:30 +0300
commitec0a2ed6d8a5e555edef907895c041e285fdb495 (patch)
treea4c8d982f8ac820b1b60818df22ad3ccac2036d5 /kernel/net/sched/cls_u32.c
parent342fa5dfa053559f47caad657132522496dcf1b3 (diff)
These changes are a raw update to a vanilla kernel 4.1.10, with the
recently announced rt patch patch-4.1.10-rt10.patch. No further changes needed. Change-Id: I9a0cf084498133b10771e744b6da4b29dff706ba Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/net/sched/cls_u32.c')
-rw-r--r--kernel/net/sched/cls_u32.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/net/sched/cls_u32.c b/kernel/net/sched/cls_u32.c
index cab9e9b43..4fbb67430 100644
--- a/kernel/net/sched/cls_u32.c
+++ b/kernel/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)