linux-kernel - [PATCH -next] s390/diag: convert to use DEFINE_SEQ

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Message-ID: <20200916025029.3992939-1-liushixin2@huawei.com>
Date:   Wed, 16 Sep 2020 10:50:29 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>
CC:     <linux-s390@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Liu Shixin <liushixin2@...wei.com>
Subject: [PATCH -next] s390/diag: convert to use DEFINE_SEQ_ATTRIBUTE macro

Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 arch/s390/kernel/diag.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c
index ccba63aaeb47..b8b0cd7b008f 100644
--- a/arch/s390/kernel/diag.c
+++ b/arch/s390/kernel/diag.c
@@ -104,18 +104,7 @@ static const struct seq_operations show_diag_stat_sops = {
 	.show	= show_diag_stat,
 };
 
-static int show_diag_stat_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &show_diag_stat_sops);
-}
-
-static const struct file_operations show_diag_stat_fops = {
-	.open		= show_diag_stat_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
+DEFINE_SEQ_ATTRIBUTE(show_diag_stat);
 
 static int __init show_diag_stat_init(void)
 {
-- 
2.25.1