Re: [PATCH net-next v2] mptcp: use list_first_entry_or_null

2020-06-15 Thread David Miller
From: Geliang Tang 
Date: Mon, 15 Jun 2020 16:34:28 +0800

> Use list_first_entry_or_null to simplify the code.
> 
> Signed-off-by: Geliang Tang 

Applied, thanks.


[PATCH net-next v2] mptcp: use list_first_entry_or_null

2020-06-15 Thread Geliang Tang
Use list_first_entry_or_null to simplify the code.

Signed-off-by: Geliang Tang 
---
 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