1 files changed, 1 insertions, 1 deletions

diff --git a/net/dccp/diag.c b/net/dccp/diag.c
index 93aae7c95550..d8a3509b26f6 100644
--- a/net/dccp/diag.c
+++ b/net/dccp/diag.c
@@ -29,7 +29,7 @@ static void dccp_get_info(struct sock *sk, struct tcp_info *info)
         info->tcpi_backoff      = icsk->icsk_backoff;
         info->tcpi_pmtu         = icsk->icsk_pmtu_cookie;
 
-        if (dp->dccps_hc_rx_ackvec != NULL)
+        if (dccp_msk(sk)->dccpms_send_ack_vector)
                 info->tcpi_options |= TCPI_OPT_SACK;
 
         ccid_hc_rx_get_info(dp->dccps_hc_rx_ccid, sk, info);