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author | David S. Miller <davem@davemloft.net> | 2017-11-10 10:00:18 +0900 |
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committer | David S. Miller <davem@davemloft.net> | 2017-11-10 10:00:18 +0900 |
commit | 4dc6758d7824a6d25717ccceefc488cafdb07210 (patch) | |
tree | 992e5d5996910af35a5c12fe94da14d0bb167452 /net/sched/cls_u32.c | |
parent | 19aeeb9f46cb4b9474ebeb50cb01b9a1adba73b8 (diff) | |
parent | 3fefc31843cfe2b5f072efe11ed9ccaf6a7a5092 (diff) | |
download | linux-4dc6758d7824a6d25717ccceefc488cafdb07210.tar.gz linux-4dc6758d7824a6d25717ccceefc488cafdb07210.tar.bz2 linux-4dc6758d7824a6d25717ccceefc488cafdb07210.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Simple cases of overlapping changes in the packet scheduler.
Must easier to resolve this time.
Which probably means that I screwed it up somehow.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/cls_u32.c')
-rw-r--r-- | net/sched/cls_u32.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 2737b71854c9..ac152b4f4247 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -399,6 +399,7 @@ static int u32_destroy_key(struct tcf_proto *tp, struct tc_u_knode *n, bool free_pf) { tcf_exts_destroy(&n->exts); + tcf_exts_put_net(&n->exts); if (n->ht_down) n->ht_down->refcnt--; #ifdef CONFIG_CLS_U32_PERF @@ -476,6 +477,7 @@ static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key) RCU_INIT_POINTER(*kp, key->next); tcf_unbind_filter(tp, &key->res); + tcf_exts_get_net(&key->exts); call_rcu(&key->rcu, u32_delete_key_freepf_rcu); return 0; } @@ -590,7 +592,10 @@ static void u32_clear_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht) tcf_unbind_filter(tp, &n->res); u32_remove_hw_knode(tp, n->handle); idr_remove_ext(&ht->handle_idr, n->handle); - call_rcu(&n->rcu, u32_delete_key_freepf_rcu); + if (tcf_exts_get_net(&n->exts)) + call_rcu(&n->rcu, u32_delete_key_freepf_rcu); + else + u32_destroy_key(n->tp, n, true); } } } @@ -949,6 +954,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb, u32_replace_knode(tp, tp_c, new); tcf_unbind_filter(tp, &n->res); + tcf_exts_get_net(&n->exts); call_rcu(&n->rcu, u32_delete_key_rcu); return 0; } |