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| author | Chris Zankel <chris@zankel.net> | 2015-08-29 23:55:58 (GMT) |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2015-08-29 23:55:58 (GMT) |
| commit | 650c919798c71fb34b77a6f2ba03a06907f06a76 (patch) | |
| tree | d1c60012d4d86846d25f1d0b783b5122c26a2e31 /net/sched/cls_u32.c | |
| parent | 895fb3159280fe7695b35ec7c87ec19e13ca5b6e (diff) | |
| parent | 64291f7db5bd8150a74ad2036f1037e6a0428df2 (diff) | |
| download | linux-650c919798c71fb34b77a6f2ba03a06907f06a76.tar.xz | |
Merge tag 'v4.2' into for_next
Linux 4.2
Diffstat (limited to 'net/sched/cls_u32.c')
| -rw-r--r-- | net/sched/cls_u32.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index cab9e9b..4fbb674 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) |