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Subject[PATCH v1 3/4] pwm: sysfs: Replace sprintf() with sysfs_emit()
Date
For sysfs outputs, it's safer to use a new helper, sysfs_emit(),
instead of the raw sprintf() & co. This patch replaces such a
sprintf() call straightforwardly with the new helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/pwm/sysfs.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index 1543fe07765b..767c4b19afb1 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -42,7 +42,7 @@ static ssize_t period_show(struct device *child,

pwm_get_state(pwm, &state);

- return sprintf(buf, "%llu\n", state.period);
+ return sysfs_emit(buf, "%llu\n", state.period);
}

static ssize_t period_store(struct device *child,
@@ -77,7 +77,7 @@ static ssize_t duty_cycle_show(struct device *child,

pwm_get_state(pwm, &state);

- return sprintf(buf, "%llu\n", state.duty_cycle);
+ return sysfs_emit(buf, "%llu\n", state.duty_cycle);
}

static ssize_t duty_cycle_store(struct device *child,
@@ -112,7 +112,7 @@ static ssize_t enable_show(struct device *child,

pwm_get_state(pwm, &state);

- return sprintf(buf, "%d\n", state.enabled);
+ return sysfs_emit(buf, "%d\n", state.enabled);
}

static ssize_t enable_store(struct device *child,
@@ -171,7 +171,7 @@ static ssize_t polarity_show(struct device *child,
break;
}

- return sprintf(buf, "%s\n", polarity);
+ return sysfs_emit(buf, "%s\n", polarity);
}

static ssize_t polarity_store(struct device *child,
@@ -212,7 +212,7 @@ static ssize_t capture_show(struct device *child,
if (ret)
return ret;

- return sprintf(buf, "%u %u\n", result.period, result.duty_cycle);
+ return sysfs_emit(buf, "%u %u\n", result.period, result.duty_cycle);
}

static DEVICE_ATTR_RW(period);
@@ -361,7 +361,7 @@ static ssize_t npwm_show(struct device *parent, struct device_attribute *attr,
{
const struct pwm_chip *chip = dev_get_drvdata(parent);

- return sprintf(buf, "%u\n", chip->npwm);
+ return sysfs_emit(buf, "%u\n", chip->npwm);
}
static DEVICE_ATTR_RO(npwm);

--
2.35.1
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