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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_flower.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_flower.c')
-rw-r--r-- | net/sched/cls_flower.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index c99fa9e5be46..543a3e875d05 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -193,13 +193,19 @@ static int fl_init(struct tcf_proto *tp) return 0; } +static void __fl_destroy_filter(struct cls_fl_filter *f) +{ + tcf_exts_destroy(&f->exts); + tcf_exts_put_net(&f->exts); + kfree(f); +} + static void fl_destroy_filter_work(struct work_struct *work) { struct cls_fl_filter *f = container_of(work, struct cls_fl_filter, work); rtnl_lock(); - tcf_exts_destroy(&f->exts); - kfree(f); + __fl_destroy_filter(f); rtnl_unlock(); } @@ -282,7 +288,10 @@ static void __fl_delete(struct tcf_proto *tp, struct cls_fl_filter *f) if (!tc_skip_hw(f->flags)) fl_hw_destroy_filter(tp, f); tcf_unbind_filter(tp, &f->res); - call_rcu(&f->rcu, fl_destroy_filter); + if (tcf_exts_get_net(&f->exts)) + call_rcu(&f->rcu, fl_destroy_filter); + else + __fl_destroy_filter(f); } static void fl_destroy_sleepable(struct work_struct *work) @@ -952,6 +961,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb, idr_replace_ext(&head->handle_idr, fnew, fnew->handle); list_replace_rcu(&fold->list, &fnew->list); tcf_unbind_filter(tp, &fold->res); + tcf_exts_get_net(&fold->exts); call_rcu(&fold->rcu, fl_destroy_filter); } else { list_add_tail_rcu(&fnew->list, &head->filters); |