From: Geliang Tang <geliangtang@gmail.com>
To: Mat Martineau <mathew.j.martineau@linux.intel.com>,
Matthieu Baerts <matthieu.baerts@tessares.net>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: Geliang Tang <geliangtang@gmail.com>,
netdev@vger.kernel.org, mptcp@lists.01.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] mptcp: use list_first_entry_or_null
Date: Fri, 12 Jun 2020 14:05:34 +0800 [thread overview]
Message-ID: <9958d3f15d2d181eb9d48ffe5bf3251ec900f27a.1591941826.git.geliangtang@gmail.com> (raw)
Use list_first_entry_or_null to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
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 86d265500cf6..55c65abcad64 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -234,10 +234,7 @@ 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
next reply other threads:[~2020-06-12 6:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-12 6:05 Geliang Tang [this message]
2020-06-12 18:22 ` [PATCH] mptcp: use list_first_entry_or_null Mat Martineau
2020-06-15 8:48 ` Geliang Tang
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