diff options
| author | Mark Brown <broonie@kernel.org> | 2021-10-29 22:00:00 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-10-29 22:00:00 +0100 |
| commit | 318a54c0ee4aaa3bfd69fdf505588510c7672c0c (patch) | |
| tree | fcd342658639851179ab88c0eb317e83b586eb71 /net/mptcp/token.c | |
| parent | 8e14329645bc7d722e1ec913025b54199fafaee3 (diff) | |
| parent | 6195eb15f6d60dd92d1644dc11f1c1c2e84ebfeb (diff) | |
Merge remote-tracking branch 'asoc/for-5.16' into asoc-next
Diffstat (limited to 'net/mptcp/token.c')
| -rw-r--r-- | net/mptcp/token.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/mptcp/token.c b/net/mptcp/token.c index a98e554b034f..e581b341c5be 100644 --- a/net/mptcp/token.c +++ b/net/mptcp/token.c @@ -231,6 +231,7 @@ found: /** * mptcp_token_get_sock - retrieve mptcp connection sock using its token + * @net: restrict to this namespace * @token: token of the mptcp connection to retrieve * * This function returns the mptcp connection structure with the given token. @@ -238,7 +239,7 @@ found: * * returns NULL if no connection with the given token value exists. */ -struct mptcp_sock *mptcp_token_get_sock(u32 token) +struct mptcp_sock *mptcp_token_get_sock(struct net *net, u32 token) { struct hlist_nulls_node *pos; struct token_bucket *bucket; @@ -251,11 +252,15 @@ struct mptcp_sock *mptcp_token_get_sock(u32 token) again: sk_nulls_for_each_rcu(sk, pos, &bucket->msk_chain) { msk = mptcp_sk(sk); - if (READ_ONCE(msk->token) != token) + if (READ_ONCE(msk->token) != token || + !net_eq(sock_net(sk), net)) continue; + if (!refcount_inc_not_zero(&sk->sk_refcnt)) goto not_found; - if (READ_ONCE(msk->token) != token) { + + if (READ_ONCE(msk->token) != token || + !net_eq(sock_net(sk), net)) { sock_put(sk); goto again; } |