Input: use sysfs_emit() instead of scnprintf()

Replace calls to scnprintf() in the methods showing device attributes
with sysfs_emit() to simplify the code.

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202212021133398847947@zte.com.cn
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 8c5fdb0f858ab5102926c0f6858f6a0f022c44b2..f71ea4fb173fdd2950cd6a271e1975e930578ce1 100644 (file)
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1365,8 +1365,8 @@ static ssize_t input_dev_show_##name(struct device *dev,          \
 {                                                                      \
        struct input_dev *input_dev = to_input_dev(dev);                \
                                                                        \
-       return scnprintf(buf, PAGE_SIZE, "%s\n",                        \
-                        input_dev->name ? input_dev->name : "");       \
+       return sysfs_emit(buf, "%s\n",                                  \
+                         input_dev->name ? input_dev->name : "");      \
 }                                                                      \
 static DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL)
 
@@ -1458,7 +1458,7 @@ static ssize_t inhibited_show(struct device *dev,
 {
        struct input_dev *input_dev = to_input_dev(dev);
 
-       return scnprintf(buf, PAGE_SIZE, "%d\n", input_dev->inhibited);
+       return sysfs_emit(buf, "%d\n", input_dev->inhibited);
 }
 
 static ssize_t inhibited_store(struct device *dev,
@@ -1505,7 +1505,7 @@ static ssize_t input_dev_show_id_##name(struct device *dev,               \
                                        char *buf)                      \
 {                                                                      \
        struct input_dev *input_dev = to_input_dev(dev);                \
-       return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \
+       return sysfs_emit(buf, "%04x\n", input_dev->id.name);           \
 }                                                                      \
 static DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL)