linux-kernel - [PATCH v1 10/12] HID: cp2112: Use sysfs

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Message-Id: <20230703185222.50554-11-andriy.shevchenko@linux.intel.com>
Date:   Mon,  3 Jul 2023 21:52:20 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Andy Shevchenko <andy@...nel.org>
Subject: [PATCH v1 10/12] HID: cp2112: Use sysfs_emit() to instead of scnprintf()

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/hid/hid-cp2112.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index 2eebb2b19501..1e45f5407d09 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -893,7 +893,7 @@ static ssize_t name##_show(struct device *kdev, \
 	int ret = cp2112_get_usb_config(hdev, &cfg); \
 	if (ret) \
 		return ret; \
-	return scnprintf(buf, PAGE_SIZE, format, ##__VA_ARGS__); \
+	return sysfs_emit(buf, format, ##__VA_ARGS__); \
 } \
 static DEVICE_ATTR_RW(name);
 
-- 
2.40.0.1.gaa8946217a0b