diff mbox series

[v2,06/15] spi: Use sysfs_emit() to instead of s*printf()

Message ID 20230710154932.68377-7-andriy.shevchenko@linux.intel.com (mailing list archive)
State Superseded
Headers show
Series spi: Header and core clean up and refactoring | expand

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conchuod/tree_selection success Guessed tree name to be for-next at HEAD e8605e8fdf42
conchuod/fixes_present success Fixes tag not required for -next series
conchuod/maintainers_pattern success MAINTAINERS pattern errors before the patch: 4 and now 4
conchuod/verify_signedoff success Signed-off-by tag matches author and committer
conchuod/kdoc success Errors and warnings before: 0 this patch: 0
conchuod/build_rv64_clang_allmodconfig success Errors and warnings before: 9 this patch: 9
conchuod/module_param success Was 0 now: 0
conchuod/build_rv64_gcc_allmodconfig success Errors and warnings before: 9 this patch: 9
conchuod/build_rv32_defconfig success Build OK
conchuod/dtb_warn_rv64 success Errors and warnings before: 3 this patch: 3
conchuod/header_inline success No static functions without inline keyword in header files
conchuod/checkpatch success total: 0 errors, 0 warnings, 0 checks, 25 lines checked
conchuod/build_rv64_nommu_k210_defconfig success Build OK
conchuod/verify_fixes success No Fixes tag
conchuod/build_rv64_nommu_virt_defconfig success Build OK

Commit Message

Andy Shevchenko July 10, 2023, 3:49 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 46cbda383228..cfb1c985d940 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;
 }
@@ -2782,8 +2782,7 @@  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,