diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/mptcp/protocol.h | 16 | ||||
| -rw-r--r-- | net/mptcp/token_test.c | 7 |
2 files changed, 22 insertions, 1 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index f89b197a9f92..051b100d9403 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -348,7 +348,23 @@ static inline void msk_owned_by_me(const struct mptcp_sock *msk) sock_owned_by_me((const struct sock *)msk); } +#ifdef CONFIG_DEBUG_NET +/* MPTCP-specific: we might (indirectly) call this helper with the wrong sk */ +#undef tcp_sk +#define tcp_sk(ptr) ({ \ + typeof(ptr) _ptr = (ptr); \ + WARN_ON(_ptr->sk_protocol != IPPROTO_TCP); \ + container_of_const(_ptr, struct tcp_sock, inet_conn.icsk_inet.sk); \ +}) +#define mptcp_sk(ptr) ({ \ + typeof(ptr) _ptr = (ptr); \ + WARN_ON(_ptr->sk_protocol != IPPROTO_MPTCP); \ + container_of_const(_ptr, struct mptcp_sock, sk.icsk_inet.sk); \ +}) + +#else /* !CONFIG_DEBUG_NET */ #define mptcp_sk(ptr) container_of_const(ptr, struct mptcp_sock, sk.icsk_inet.sk) +#endif /* the msk socket don't use the backlog, also account for the bulk * free memory diff --git a/net/mptcp/token_test.c b/net/mptcp/token_test.c index bfff53e668da..4fc39fa2e262 100644 --- a/net/mptcp/token_test.c +++ b/net/mptcp/token_test.c @@ -52,14 +52,19 @@ static struct mptcp_subflow_context *build_ctx(struct kunit *test) static struct mptcp_sock *build_msk(struct kunit *test) { struct mptcp_sock *msk; + struct sock *sk; msk = kunit_kzalloc(test, sizeof(struct mptcp_sock), GFP_USER); KUNIT_EXPECT_NOT_ERR_OR_NULL(test, msk); refcount_set(&((struct sock *)msk)->sk_refcnt, 1); sock_net_set((struct sock *)msk, &init_net); + sk = (struct sock *)msk; + /* be sure the token helpers can dereference sk->sk_prot */ - ((struct sock *)msk)->sk_prot = &tcp_prot; + sk->sk_prot = &tcp_prot; + sk->sk_protocol = IPPROTO_MPTCP; + return msk; } |