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| author | Eric Dumazet <edumazet@google.com> | 2015-12-08 07:22:01 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-12-11 19:22:06 -0500 |
| commit | 56f047305dd4b6b61771ac4f523718e4111052a8 (patch) | |
| tree | 05de0e01553b3040c009048ee446b849a3f697e1 /include | |
| parent | b0a8d1a0b6e569b7dd14322ca2df4d576f325908 (diff) | |
| download | linux-stable-56f047305dd4b6b61771ac4f523718e4111052a8.tar.gz linux-stable-56f047305dd4b6b61771ac4f523718e4111052a8.tar.bz2 linux-stable-56f047305dd4b6b61771ac4f523718e4111052a8.zip | |
xfrm: add rcu grace period in xfrm_policy_destroy()
We will soon switch sk->sk_policy[] to RCU protection,
as SYNACK packets are sent while listener socket is not locked.
This patch simply adds RCU grace period before struct xfrm_policy
freeing, and the corresponding rcu_head in struct xfrm_policy.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/xfrm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 4a9c21f9b4ea..8bae1ef647cd 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -548,6 +548,7 @@ struct xfrm_policy { u16 family; struct xfrm_sec_ctx *security; struct xfrm_tmpl xfrm_vec[XFRM_MAX_DEPTH]; + struct rcu_head rcu; }; static inline struct net *xp_net(const struct xfrm_policy *xp) |