linux-kernel - [PATCH] ipconfig: convert to DEFINE_SHOW

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Message-Id: <20181215071953.25930-1-tiny.windzz@gmail.com>
Date:   Sat, 15 Dec 2018 02:19:53 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     davem@...emloft.net, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH] ipconfig: convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 net/ipv4/ipconfig.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 88212615bf4c..fcb817d0eb24 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1361,18 +1361,7 @@ static int ntp_servers_seq_show(struct seq_file *seq, void *v)
 	}
 	return 0;
 }
-
-static int ntp_servers_seq_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ntp_servers_seq_show, NULL);
-}
-
-static const struct file_operations ntp_servers_seq_fops = {
-	.open		= ntp_servers_seq_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(ntp_servers_seq);
 #endif /* CONFIG_PROC_FS */
 
 /*
-- 
2.17.0