From ea56dcb43c2054426c5a8d7befa8d993a060b26b Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Mon, 7 Mar 2022 12:44:32 -0800 Subject: mptcp: use MPTCP_SUBFLOW_NODATA Set subflow->data_avail with the enum value MPTCP_SUBFLOW_NODATA, instead of using 0 directly. Reviewed-by: Matthieu Baerts Signed-off-by: Geliang Tang Signed-off-by: Mat Martineau Signed-off-by: Jakub Kicinski --- net/mptcp/subflow.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'net') diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 45c004f87f5a..bb09a008e733 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -1104,7 +1104,7 @@ static bool subflow_check_data_avail(struct sock *ssk) struct sk_buff *skb; if (!skb_peek(&ssk->sk_receive_queue)) - WRITE_ONCE(subflow->data_avail, 0); + WRITE_ONCE(subflow->data_avail, MPTCP_SUBFLOW_NODATA); if (subflow->data_avail) return true; @@ -1169,7 +1169,7 @@ fallback: subflow->reset_transient = 0; subflow->reset_reason = MPTCP_RST_EMIDDLEBOX; tcp_send_active_reset(ssk, GFP_ATOMIC); - WRITE_ONCE(subflow->data_avail, 0); + WRITE_ONCE(subflow->data_avail, MPTCP_SUBFLOW_NODATA); return true; } @@ -1182,7 +1182,7 @@ fallback: subflow->reset_transient = 0; subflow->reset_reason = MPTCP_RST_EMPTCP; tcp_send_active_reset(ssk, GFP_ATOMIC); - WRITE_ONCE(subflow->data_avail, 0); + WRITE_ONCE(subflow->data_avail, MPTCP_SUBFLOW_NODATA); return false; } @@ -1204,7 +1204,7 @@ bool mptcp_subflow_data_available(struct sock *sk) if (subflow->map_valid && mptcp_subflow_get_map_offset(subflow) >= subflow->map_data_len) { subflow->map_valid = 0; - WRITE_ONCE(subflow->data_avail, 0); + WRITE_ONCE(subflow->data_avail, MPTCP_SUBFLOW_NODATA); pr_debug("Done with mapping: seq=%u data_len=%u", subflow->map_subflow_seq, -- cgit v1.2.3