linux-kernel - [PATCH] ACPI, APEI, EINJ: Change to use DEFINE_SHOW

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Message-Id: <20181130170106.4031-1-tiny.windzz@gmail.com>
Date:   Fri, 30 Nov 2018 12:01:06 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     rjw@...ysocki.net, lenb@...nel.org, tony.luck@...el.com,
        bp@...en8.de
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH] ACPI, APEI, EINJ: Change to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/acpi/apei/einj.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index b38737c83a24..fcccbfdbdd1a 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -607,17 +607,7 @@ static int available_error_type_show(struct seq_file *m, void *v)
 	return 0;
 }
 
-static int available_error_type_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, available_error_type_show, NULL);
-}
-
-static const struct file_operations available_error_type_fops = {
-	.open		= available_error_type_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(available_error_type);
 
 static int error_type_get(void *data, u64 *val)
 {
-- 
2.17.0