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| author | Dave Airlie <airlied@redhat.com> | 2015-06-04 09:23:51 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-06-04 09:23:51 +1000 |
| commit | a8a50fce60e86f82e442bf84b8af20750b3d6105 (patch) | |
| tree | 974c04f9f4f10275a8a9435113ea5b307d172bb6 /net/sched/cls_api.c | |
| parent | 9b5edbf7a462b7c846e9d4675b9b72b7a4e84de9 (diff) | |
| parent | c65b99f046843d2455aa231747b5a07a999a9f3d (diff) | |
Merge tag 'v4.1-rc6' into drm-next
Linux 4.1-rc6
backmerge 4.1-rc6 as some of the later pull reqs are based on newer bases
and I'd prefer to do the fixup myself.
Diffstat (limited to 'net/sched/cls_api.c')
| -rw-r--r-- | net/sched/cls_api.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index b6ef9a04de06..a75864d93142 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -81,6 +81,11 @@ int unregister_tcf_proto_ops(struct tcf_proto_ops *ops) struct tcf_proto_ops *t; int rc = -ENOENT; + /* Wait for outstanding call_rcu()s, if any, from a + * tcf_proto_ops's destroy() handler. + */ + rcu_barrier(); + write_lock(&cls_mod_lock); list_for_each_entry(t, &tcf_proto_base, head) { if (t == ops) { |