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Message-Id: <20241019054426.8182-1-zenghongling@kylinos.cn>
Date: Sat, 19 Oct 2024 13:44:26 +0800
From: Hongling Zeng <zenghongling@...inos.cn>
To: linux-kernel@...r.kernel.org,
platform-driver-x86@...r.kernel.org
Cc: cascardo@...oscopio.com,
hdegoede@...hat.com,
ilpo.jarvinen@...ux.intel.com,
zhongling0719@....com,
Hongling Zeng <zenghongling@...inos.cn>
Subject: [PATCH v1] platform/x86: classmate-laptop: Replace snprintf in show functions with sysfs_emit
show() must not use snprintf() when formatting the value to be
returned to user space.
Signed-off-by: Hongling Zeng<zenghongling@...inos.cn>
---
drivers/platform/x86/classmate-laptop.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index cb6fce6..14c238f 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -208,7 +208,7 @@ static ssize_t cmpc_accel_sensitivity_show_v4(struct device *dev,
inputdev = dev_get_drvdata(&acpi->dev);
accel = dev_get_drvdata(&inputdev->dev);
- return sprintf(buf, "%d\n", accel->sensitivity);
+ return sysfs_emit(buf, "%d\n", accel->sensitivity);
}
static ssize_t cmpc_accel_sensitivity_store_v4(struct device *dev,
@@ -257,7 +257,7 @@ static ssize_t cmpc_accel_g_select_show_v4(struct device *dev,
inputdev = dev_get_drvdata(&acpi->dev);
accel = dev_get_drvdata(&inputdev->dev);
- return sprintf(buf, "%d\n", accel->g_select);
+ return sysfs_emit(buf, "%d\n", accel->g_select);
}
static ssize_t cmpc_accel_g_select_store_v4(struct device *dev,
@@ -550,7 +550,7 @@ static ssize_t cmpc_accel_sensitivity_show(struct device *dev,
inputdev = dev_get_drvdata(&acpi->dev);
accel = dev_get_drvdata(&inputdev->dev);
- return sprintf(buf, "%d\n", accel->sensitivity);
+ return sysfs_emit(buf, "%d\n", accel->sensitivity);
}
static ssize_t cmpc_accel_sensitivity_store(struct device *dev,
--
2.1.0
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