linux-kernel - [PATCH] HID: sony: replace snprintf with sysfs

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Date:   Wed,  9 Feb 2022 08:44:18 +0800
From:   davidcomponentone@...il.com
To:     jikos@...nel.org
Cc:     davidcomponentone@...il.com, benjamin.tissoires@...hat.com,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yang Guang <yang.guang5@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] HID: sony: replace snprintf with sysfs_emit

From: Yang Guang <yang.guang5@....com.cn>

coccinelle report:
./drivers/hid/hid-sony.c:710:8-16:
WARNING: use scnprintf or sprintf
./drivers/hid/hid-sony.c:747:8-16:
WARNING: use scnprintf or sprintf
./drivers/hid/hid-sony.c:759:8-16:
WARNING: use scnprintf or sprintf

Use sysfs_emit instead of scnprintf or sprintf makes more sense.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Yang Guang <yang.guang5@....com.cn>
Signed-off-by: David Yang <davidcomponentone@...il.com>
---
 drivers/hid/hid-sony.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 60ec2b29d54d..94291472b381 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -707,7 +707,7 @@ static ssize_t ds4_show_poll_interval(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct sony_sc *sc = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%i\n", sc->ds4_bt_poll_interval);
+	return sysfs_emit(buf, "%i\n", sc->ds4_bt_poll_interval);
 }
 
 static ssize_t ds4_store_poll_interval(struct device *dev,
@@ -744,7 +744,7 @@ static ssize_t sony_show_firmware_version(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct sony_sc *sc = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->fw_version);
+	return sysfs_emit(buf, "0x%04x\n", sc->fw_version);
 }
 
 static DEVICE_ATTR(firmware_version, 0444, sony_show_firmware_version, NULL);
@@ -756,7 +756,7 @@ static ssize_t sony_show_hardware_version(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct sony_sc *sc = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->hw_version);
+	return sysfs_emit(buf, "0x%04x\n", sc->hw_version);
 }
 
 static DEVICE_ATTR(hardware_version, 0444, sony_show_hardware_version, NULL);
-- 
2.30.2