author | Cong Wang <xiyou.wangcong@gmail.com> | |
Mon, 6 Nov 2017 21:47:30 +0000 (13:47 -0800) | ||
committer | David S. Miller <davem@davemloft.net> | |
Thu, 9 Nov 2017 01:03:10 +0000 (10:03 +0900) | ||
commit | 35c55fc156d85a396a975fc17636f560fc02fd65 | |
tree | 4600cfecab2372a77cfb9143e4b24b059d24433a | tree | snapshot (tar.xz tar.gz zip) |
parent | f2b751053ee9314e82c178f6ca0fee7e160fac95 | commit | diff |
cls_u32: use tcf_exts_get_net() before call_rcu()
Hold netns refcnt before call_rcu() and release it after
the tcf_exts_destroy() is done.
Note, on ->destroy() path we have to respect the return value
of tcf_exts_get_net(), on other paths it should always return
true, so we don't need to care.
Cc: Lucas Bates <lucasb@mojatatu.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hold netns refcnt before call_rcu() and release it after
the tcf_exts_destroy() is done.
Note, on ->destroy() path we have to respect the return value
of tcf_exts_get_net(), on other paths it should always return
true, so we don't need to care.
Cc: Lucas Bates <lucasb@mojatatu.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/cls_u32.c | diff | blob | history |