linux-kernel - [PATCH] sock: use hlist_entry

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Message-Id: <697f2692562e48afa03304a7e605e8adbee8437e.1484829069.git.geliangtang@gmail.com>
Date:   Fri, 20 Jan 2017 22:27:04 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     Geliang Tang <geliangtang@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] sock: use hlist_entry_safe

Use hlist_entry_safe() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 include/net/sock.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/net/sock.h b/include/net/sock.h
index 4077ec4..c4e1caf1 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -544,8 +544,7 @@ static inline struct sock *sk_nulls_head(const struct hlist_nulls_head *head)
 
 static inline struct sock *sk_next(const struct sock *sk)
 {
-	return sk->sk_node.next ?
-		hlist_entry(sk->sk_node.next, struct sock, sk_node) : NULL;
+	return hlist_entry_safe(sk->sk_node.next, struct sock, sk_node);
 }
 
 static inline struct sock *sk_nulls_next(const struct sock *sk)
-- 
2.9.3