From a386bc5b2155bf1fc76229481ac7e7f2a646d966 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Mon, 15 Jun 2020 16:34:28 +0800 Subject: [PATCH] mptcp: use list_first_entry_or_null Use list_first_entry_or_null to simplify the code. Signed-off-by: Geliang Tang Signed-off-by: David S. Miller --- net/mptcp/protocol.h | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 70ed698bd206..db56535dfc29 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -232,10 +232,7 @@ static inline struct mptcp_data_frag *mptcp_rtx_head(const struct sock *sk) { struct mptcp_sock *msk = mptcp_sk(sk); - if (list_empty(&msk->rtx_queue)) - return NULL; - - return list_first_entry(&msk->rtx_queue, struct mptcp_data_frag, list); + return list_first_entry_or_null(&msk->rtx_queue, struct mptcp_data_frag, list); } struct mptcp_subflow_request_sock { -- 2.20.1