linux-kernel - [PATCH] misc: isl29003: Use sysfs

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Message-ID: <20230129092357.3143-1-liubo03@inspur.com>
Date:   Sun, 29 Jan 2023 04:23:57 -0500
From:   Bo Liu <liubo03@...pur.com>
To:     <arnd@...db.de>, <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>, Bo Liu <liubo03@...pur.com>
Subject: [PATCH] misc: isl29003: Use sysfs_emit() to instead of sprintf()

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: Bo Liu <liubo03@...pur.com>
---
 drivers/misc/isl29003.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/misc/isl29003.c b/drivers/misc/isl29003.c
index aeda2fa89e61..147b58f7968d 100644
--- a/drivers/misc/isl29003.c
+++ b/drivers/misc/isl29003.c
@@ -186,7 +186,7 @@ static ssize_t isl29003_show_range(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 
-	return sprintf(buf, "%i\n", isl29003_get_range(client));
+	return sysfs_emit(buf, "%i\n", isl29003_get_range(client));
 }
 
 static ssize_t isl29003_store_range(struct device *dev,
@@ -222,7 +222,7 @@ static ssize_t isl29003_show_resolution(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 
-	return sprintf(buf, "%d\n", isl29003_get_resolution(client));
+	return sysfs_emit(buf, "%d\n", isl29003_get_resolution(client));
 }
 
 static ssize_t isl29003_store_resolution(struct device *dev,
@@ -256,7 +256,7 @@ static ssize_t isl29003_show_mode(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 
-	return sprintf(buf, "%d\n", isl29003_get_mode(client));
+	return sysfs_emit(buf, "%d\n", isl29003_get_mode(client));
 }
 
 static ssize_t isl29003_store_mode(struct device *dev,
@@ -291,7 +291,7 @@ static ssize_t isl29003_show_power_state(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 
-	return sprintf(buf, "%d\n", isl29003_get_power_state(client));
+	return sysfs_emit(buf, "%d\n", isl29003_get_power_state(client));
 }
 
 static ssize_t isl29003_store_power_state(struct device *dev,
@@ -327,7 +327,7 @@ static ssize_t isl29003_show_lux(struct device *dev,
 	if (!isl29003_get_power_state(client))
 		return -EBUSY;
 
-	return sprintf(buf, "%d\n", isl29003_get_adc_value(client));
+	return sysfs_emit(buf, "%d\n", isl29003_get_adc_value(client));
 }
 
 static DEVICE_ATTR(lux, S_IRUGO, isl29003_show_lux, NULL);
-- 
2.27.0