* [PATCH v2] HID: lenovo: replace snprintf with sysfs_emit
@ 2022-02-10 10:30 davidcomponentone
0 siblings, 0 replies; only message in thread
From: davidcomponentone @ 2022-02-10 10:30 UTC (permalink / raw)
To: jikos
Cc: davidcomponentone, benjamin.tissoires, linux-input, linux-kernel,
Yang Guang, Zeal Robot
From: Yang Guang <yang.guang5@zte.com.cn>
coccinelle report:
./drivers/hid/hid-lenovo.c:636:8-16:
WARNING: use scnprintf or sprintf
./drivers/hid/hid-lenovo.c:403:8-16:
WARNING: use scnprintf or sprintf
./drivers/hid/hid-lenovo.c:755:8-16:
WARNING: use scnprintf or sprintf
./drivers/hid/hid-lenovo.c:606:8-16:
WARNING: use scnprintf or sprintf
./drivers/hid/hid-lenovo.c:666:8-16:
WARNING: use scnprintf or sprintf
./drivers/hid/hid-lenovo.c:696:8-16:
WARNING: use scnprintf or sprintf
./drivers/hid/hid-lenovo.c:445:8-16:
WARNING: use scnprintf or sprintf
./drivers/hid/hid-lenovo.c:726:8-16:
WARNING: use scnprintf or sprintf
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: David Yang <davidcomponentone@gmail.com>
---
Change from v1-v2:
- Adjust some format
---
drivers/hid/hid-lenovo.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index 93b1f935e526..69ae39bdbe70 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -400,7 +400,7 @@ static ssize_t attr_fn_lock_show(struct device *dev,
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata *data = hid_get_drvdata(hdev);
- return snprintf(buf, PAGE_SIZE, "%u\n", data->fn_lock);
+ return sysfs_emit(buf, "%u\n", data->fn_lock);
}
static ssize_t attr_fn_lock_store(struct device *dev,
@@ -442,8 +442,7 @@ static ssize_t attr_sensitivity_show_cptkbd(struct device *dev,
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
- return snprintf(buf, PAGE_SIZE, "%u\n",
- cptkbd_data->sensitivity);
+ return sysfs_emit(buf, "%u\n", cptkbd_data->sensitivity);
}
static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
@@ -603,7 +602,7 @@ static ssize_t attr_press_to_select_show_tpkbd(struct device *dev,
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
- return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select);
+ return sysfs_emit(buf, "%u\n", data_pointer->press_to_select);
}
static ssize_t attr_press_to_select_store_tpkbd(struct device *dev,
@@ -633,7 +632,7 @@ static ssize_t attr_dragging_show_tpkbd(struct device *dev,
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
- return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging);
+ return sysfs_emit(buf, "%u\n", data_pointer->dragging);
}
static ssize_t attr_dragging_store_tpkbd(struct device *dev,
@@ -663,7 +662,7 @@ static ssize_t attr_release_to_select_show_tpkbd(struct device *dev,
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
- return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select);
+ return sysfs_emit(buf, "%u\n", data_pointer->release_to_select);
}
static ssize_t attr_release_to_select_store_tpkbd(struct device *dev,
@@ -693,7 +692,7 @@ static ssize_t attr_select_right_show_tpkbd(struct device *dev,
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
- return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right);
+ return sysfs_emit(buf, "%u\n", data_pointer->select_right);
}
static ssize_t attr_select_right_store_tpkbd(struct device *dev,
@@ -723,8 +722,7 @@ static ssize_t attr_sensitivity_show_tpkbd(struct device *dev,
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
- return snprintf(buf, PAGE_SIZE, "%u\n",
- data_pointer->sensitivity);
+ return sysfs_emit(buf, "%u\n", data_pointer->sensitivity);
}
static ssize_t attr_sensitivity_store_tpkbd(struct device *dev,
@@ -752,8 +750,7 @@ static ssize_t attr_press_speed_show_tpkbd(struct device *dev,
struct hid_device *hdev = to_hid_device(dev);
struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
- return snprintf(buf, PAGE_SIZE, "%u\n",
- data_pointer->press_speed);
+ return sysfs_emit(buf, "%u\n", data_pointer->press_speed);
}
static ssize_t attr_press_speed_store_tpkbd(struct device *dev,
--
2.30.2
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