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w1: core: use sysfs_emit() instead of sprintf()

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Follow the advice in Documentation/filesystems/sysfs.rst:
show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.

Signed-off-by: zhangheng <zhangheng@kylinos.cn>
Link: https://lore.kernel.org/r/20241220102337.295864-1-zhangheng@kylinos.cn
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This commit is contained in:
zhangheng 2024-12-20 18:23:37 +08:00 • committed by Krzysztof Kozlowski
parent 0f28374e99
commit 419a40cc2b
1 changed files with 2 additions and 2 deletions
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4
drivers/w1/slaves/w1_ds28e17.c
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@ -583,7 +583,7 @@ static ssize_t speed_show(struct device *dev, struct device_attribute *attr,
return result;
/* Return current speed value. */
return sprintf(buf, "%d\n", result);
return sysfs_emit(buf, "%d\n", result);
}
static ssize_t speed_store(struct device *dev, struct device_attribute *attr,
@ -633,7 +633,7 @@ static ssize_t stretch_show(struct device *dev, struct device_attribute *attr,
struct w1_f19_data *data = sl->family_data;
/* Return current stretch value. */
return sprintf(buf, "%d\n", data->stretch);
return sysfs_emit(buf, "%d\n", data->stretch);
}
static ssize_t stretch_store(struct device *dev, struct device_attribute *attr,