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Message-Id: <6cf9b609f1d77b389165448b9a9b38f6bee48f87.1592209896.git.geliangtang@gmail.com>
Date: Mon, 15 Jun 2020 16:34:28 +0800
From: Geliang Tang <geliangtang@...il.com>
To: Mat Martineau <mathew.j.martineau@...ux.intel.com>,
Matthieu Baerts <matthieu.baerts@...sares.net>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: Geliang Tang <geliangtang@...il.com>, netdev@...r.kernel.org,
mptcp@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next v2] mptcp: use list_first_entry_or_null
Use list_first_entry_or_null to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
Changes in v2:
- Add "net-next" tag in Subject.
---
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 {
--
2.17.1
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