bpf: tcp: Guard declarations with CONFIG_NET_SOCK_MSG (5da00404) · Commits · 戴 / test

tcp_bpf.c is only included in the build if CONFIG_NET_SOCK_MSG is selected. The declaration should therefore be guarded as such. Signed-off-by:

include/net/tcp.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -2195,6 +2195,7 @@ void tcp_update_ulp(struct sock sk, struct proto p,
		struct sk_msg;
		struct sk_psock;

		#ifdef CONFIG_NET_SOCK_MSG
		int tcp_bpf_init(struct sock *sk);
		int tcp_bpf_sendmsg_redir(struct sock sk, struct sk_msg msg, u32 bytes,
		int flags);
		@@ -2202,13 +2203,12 @@ int tcp_bpf_recvmsg(struct sock sk, struct msghdr msg, size_t len,
		int nonblock, int flags, int *addr_len);
		int __tcp_bpf_recvmsg(struct sock sk, struct sk_psock psock,
		struct msghdr *msg, int len, int flags);
		#ifdef CONFIG_NET_SOCK_MSG
		void tcp_bpf_clone(const struct sock sk, struct sock newsk);
		#else
		static inline void tcp_bpf_clone(const struct sock sk, struct sock newsk)
		{
		}
		#endif
		#endif /* CONFIG_NET_SOCK_MSG */

		/* Call BPF_SOCK_OPS program that returns an int. If the return value
		* is < 0, then the BPF op failed (for example if the loaded BPF