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authorLars-Peter Clausen <lars@metafoo.de>2021-12-16 19:52:13 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2022-01-23 18:03:36 +0000
commit3c1d2fdd8096a08927ef3c5180208a136ac1a82b (patch)
tree19a695b364ad90a5305f07c2497c078d8756030f
parentiio: max31856: Use sysfs_emit() (diff)
downloadlinux-dev-3c1d2fdd8096a08927ef3c5180208a136ac1a82b.tar.xz
linux-dev-3c1d2fdd8096a08927ef3c5180208a136ac1a82b.zip
iio: max31865: Use sysfs_emit()
sysfs_emit() is preferred over raw s*printf() for sysfs attributes since it knows about the sysfs buffer specifics and has some built-in checks for size and alignment. Use sysfs_emit() to format the custom ``in_filter_notch_center_frequency` and fault_ovuv` device attributes of the max31865 driver. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Link: https://lore.kernel.org/r/20211216185217.1054495-10-lars@metafoo.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/iio/temperature/max31865.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iio/temperature/max31865.c b/drivers/iio/temperature/max31865.c
index 4c8d6e6cf677..86c3f3509a26 100644
--- a/drivers/iio/temperature/max31865.c
+++ b/drivers/iio/temperature/max31865.c
@@ -208,7 +208,7 @@ static ssize_t show_fault(struct device *dev, u8 faultbit, char *buf)
fault = data->buf[0] & faultbit;
- return sprintf(buf, "%d\n", fault);
+ return sysfs_emit(buf, "%d\n", fault);
}
static ssize_t show_fault_ovuv(struct device *dev,
@@ -225,7 +225,7 @@ static ssize_t show_filter(struct device *dev,
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct max31865_data *data = iio_priv(indio_dev);
- return sprintf(buf, "%d\n", data->filter_50hz ? 50 : 60);
+ return sysfs_emit(buf, "%d\n", data->filter_50hz ? 50 : 60);
}
static ssize_t set_filter(struct device *dev,