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Commit bf9bae0e authored by Alexei Starovoitov's avatar Alexei Starovoitov
Browse files

Merge branch 'sockmap-fixes' 



Daniel Borkmann says:

====================
Two sockmap fixes in bpf_tcp_sendmsg(), and one fix for the
sockmap kernel selftest. Thanks!
====================

Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parents 74682128 3c6ed988

kernel/bpf/sockmap.c

+6 −3
Original line number Diff line number Diff line
@@ -1048,12 +1048,12 @@ static int bpf_tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) 
	timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);



	while (msg_data_left(msg)) {

		struct sk_msg_buff *m;

		struct sk_msg_buff *m = NULL;

		bool enospc = false;

		int copy;



		if (sk->sk_err) {

			err = sk->sk_err;

			err = -sk->sk_err;

			goto out_err;

		}
@@ -1116,9 +1116,12 @@ static int bpf_tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) 
		set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);

wait_for_memory:

		err = sk_stream_wait_memory(sk, &timeo);

		if (err)

		if (err) {

			if (m && m != psock->cork)

				free_start_sg(sk, m);

			goto out_err;

		}

	}

out_err:

	if (err < 0)

		err = sk_stream_error(sk, msg->msg_flags, err);

tools/testing/selftests/bpf/test_sockmap.c

+1 −1
Original line number Diff line number Diff line
@@ -354,7 +354,7 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt, 
		while (s->bytes_recvd < total_bytes) {

			if (txmsg_cork) {

				timeout.tv_sec = 0;

				timeout.tv_usec = 1000;

				timeout.tv_usec = 300000;

			} else {

				timeout.tv_sec = 1;

				timeout.tv_usec = 0;