diff mbox series

[v3,06/14] spi: Use sysfs_emit() to instead of s*printf()

Message ID 20230711171756.86736-7-andriy.shevchenko@linux.intel.com (mailing list archive)
State Handled Elsewhere
Headers show
Series spi: Header and core clean up and refactoring | expand

Commit Message

Andy Shevchenko July 11, 2023, 5:17 p.m. UTC 
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>
---
 drivers/spi/spi.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 57b5e4488416..19846fe4c4d5 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -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;
 }
@@ -2797,8 +2797,7 @@  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,