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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-08-30 13:25:47 +0300
committerDavid S. Miller <davem@davemloft.net>2019-09-01 09:44:28 +0300
commit15a7dea750e0162f273c6e61a94f96944b75b31e (patch)
tree3d5d9bed6fd3f7e42183e803c1540895d89c4b71 /include/net/inet_connection_sock.h
parented6e8103ba72af6921989cf0cf2ccde5efa7af22 (diff)
downloadlinux-15a7dea750e0162f273c6e61a94f96944b75b31e.tar.xz
net/tls: use RCU protection on icsk->icsk_ulp_data
We need to make sure context does not get freed while diag code is interrogating it. Free struct tls_context with kfree_rcu(). We add the __rcu annotation directly in icsk, and cast it away in the datapath accessor. Presumably all ULPs will do a similar thing. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_connection_sock.h')
-rw-r--r--include/net/inet_connection_sock.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index c57d53e7e02c..895546058a20 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -97,7 +97,7 @@ struct inet_connection_sock {
const struct tcp_congestion_ops *icsk_ca_ops;
const struct inet_connection_sock_af_ops *icsk_af_ops;
const struct tcp_ulp_ops *icsk_ulp_ops;
- void *icsk_ulp_data;
+ void __rcu *icsk_ulp_data;
void (*icsk_clean_acked)(struct sock *sk, u32 acked_seq);
struct hlist_node icsk_listen_portaddr_node;
unsigned int (*icsk_sync_mss)(struct sock *sk, u32 pmtu);