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spi: Use sysfs_emit() to instead of s*printf()

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230710154932.68377-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2023-07-10 18:49:23 +03:00 committed by Mark Brown
parent 2b308e7176
commit f2daa4667f
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GPG key ID: 24D68B725D5487D0
1 changed files with 3 additions and 4 deletions
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7
drivers/spi/spi.c
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@ -64,7 +64,7 @@ modalias_show(struct device *dev, struct device_attribute *a, char *buf)
if (len != -ENODEV)
return len;
return sprintf(buf, "%s%s\n", SPI_MODULE_PREFIX, spi->modalias);
return sysfs_emit(buf, "%s%s\n", SPI_MODULE_PREFIX, spi->modalias);
}
static DEVICE_ATTR_RO(modalias);
@ -89,7 +89,7 @@ static ssize_t driver_override_show(struct device *dev,
ssize_t len;
device_lock(dev);
len = snprintf(buf, PAGE_SIZE, "%s\n", spi->driver_override ? : "");
len = sysfs_emit(buf, "%s\n", spi->driver_override ? : "");
device_unlock(dev);
return len;
}
@ -2814,8 +2814,7 @@ static ssize_t slave_show(struct device *dev, struct device_attribute *attr,
struct device *child;
child = device_find_any_child(&ctlr->dev);
return sprintf(buf, "%s\n",
child ? to_spi_device(child)->modalias : NULL);
return sysfs_emit(buf, "%s\n", child ? to_spi_device(child)->modalias : NULL);
}
static ssize_t slave_store(struct device *dev, struct device_attribute *attr,