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sk-tcp: Print libsoccr_save() error message

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Improve dump_tcp_conn_state() *debugibility*.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Kirill Tkhai
2017-08-30 15:28:23 +03:00
committed by Andrei Vagin
parent dc4d61f84f
commit 7148e16b31
2 changed files with 5 additions and 3 deletions
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4
criu/sk-tcp.c
View File

@@ -113,8 +113,10 @@ static int dump_tcp_conn_state(struct inet_sk_desc *sk)
struct libsoccr_sk_data data;
ret = libsoccr_save(socr, &data, sizeof(data));
if (ret < 0)
if (ret < 0) {
pr_err("libsoccr_save() failed with %d\n", ret);
goto err_r;
}
if (ret != sizeof(data)) {
pr_err("This libsocr is not supported (%d vs %d)\n",
ret, (int)sizeof(data));

4
soccr/soccr.c
View File

@@ -374,10 +374,10 @@ int libsoccr_save(struct libsoccr_sk *sk, struct libsoccr_sk_data *data, unsigne
sk->flags |= SK_FLAG_FREE_SQ | SK_FLAG_FREE_RQ;
if (get_queue(sk->fd, TCP_RECV_QUEUE, &data->inq_seq, data->inq_len, &sk->recv_queue))
return -4;
return -5;
if (get_queue(sk->fd, TCP_SEND_QUEUE, &data->outq_seq, data->outq_len, &sk->send_queue))
return -5;
return -6;
return sizeof(struct libsoccr_sk_data);
}