linux-kernel - [PATCH linux-next] ACPI: sysfs: use sysfs

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Date:   Thu, 17 Nov 2022 09:34:00 +0800 (CST)
From:   <guo.ziliang@....com.cn>
To:     <rafael@...nel.org>
Cc:     <lenb@...nel.org>, <linux-acpi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH linux-next] ACPI: sysfs: use sysfs_emit() to instead of scnprintf()

From: guo ziliang <guo.ziliang@....com.cn>

Replace the open-code with sysfs_emit() to simplify the code.

Signed-off-by: guo ziliang <guo.ziliang@....com.cn>
---
 drivers/acpi/sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 2d81c74..7db3b53 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -198,7 +198,7 @@ static int param_set_trace_method_name(const char *val,

 static int param_get_trace_method_name(char *buffer, const struct kernel_param *kp)
 {
-       return scnprintf(buffer, PAGE_SIZE, "%s\n", acpi_gbl_trace_method_name);
+       return sysfs_emit(buffer, "%s\n", acpi_gbl_trace_method_name);
 }

 static const struct kernel_param_ops param_ops_trace_method = {
--
1.8.3.1