[PATCH] misc: isl29003: Use sysfs_emit() to instead of sprintf()

From: Bo Liu
Date: Sun Jan 29 2023 - 04:24:16 EST


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@xxxxxxxxxx>
---
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