diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index e6faa49026da..52aeeca292b7 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2272,6 +2272,7 @@ static int mptcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 
 			if (!timeo) {
 				copied = -EAGAIN;
+				pr_info("%s return EAGAIN\n", __func__);
 				break;
 			}
 
diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c
index 26fff876a1b2..9497582c43d8 100644
--- a/tools/testing/selftests/bpf/network_helpers.c
+++ b/tools/testing/selftests/bpf/network_helpers.c
@@ -652,6 +652,8 @@ static void *send_recv_server(void *arg)
 		if (nr_sent == -1 && errno == EINTR)
 			continue;
 		if (nr_sent == -1) {
+			//if (errno == EAGAIN)
+			//	continue;
 			err = -errno;
 			break;
 		}
@@ -701,6 +703,8 @@ int send_recv_data(int lfd, int fd, uint32_t total_bytes, int timeout_ms)
 		if (nr_recv == -1 && errno == EINTR)
 			continue;
 		if (nr_recv == -1) {
+			//if (errno == EAGAIN)
+			//	continue;
 			err = -errno;
 			break;
 		}
diff --git a/tools/testing/selftests/bpf/progs/mptcp_bpf_bytes.c b/tools/testing/selftests/bpf/progs/mptcp_bpf_bytes.c
index 7708e64ad68e..47783327c145 100644
--- a/tools/testing/selftests/bpf/progs/mptcp_bpf_bytes.c
+++ b/tools/testing/selftests/bpf/progs/mptcp_bpf_bytes.c
@@ -21,6 +21,9 @@ int BPF_PROG(trace_mptcp_sched_get_send, struct mptcp_sock *msk)
 	if (!msk->pm.server_side)
 		return 0;
 
+	bytes_sent_1 = 0;
+	bytes_sent_2 = 0;
+
 	mptcp_for_each_subflow(msk, subflow) {
 		struct tcp_sock *tp;
 		struct sock *ssk;