docs: filesystems: sysfs: Make text and code for ->show() consistent

andy-shev · gregkh · commit fda8c908bc2d · 2022-09-30T14:53:13.000+02:00
The documentation says that ->show() should only use sysfs_emit() or sysfs_emit_at(), but example keeps outdated code. Update the code to be consistent. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20220928135741.54919-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/Documentation/filesystems/sysfs.rst b/Documentation/filesystems/sysfs.rst
@@ -263,7 +263,7 @@ A very simple (and naive) implementation of a device attribute is::
     static ssize_t show_name(struct device *dev, struct device_attribute *attr,
 			    char *buf)
     {
-	    return scnprintf(buf, PAGE_SIZE, "%s\n", dev->name);
+	    return sysfs_emit(buf, "%s\n", dev->name);
     }
 
     static ssize_t store_name(struct device *dev, struct device_attribute *attr,

Original file line number	Diff line number	Diff line change
`@@ -263,7 +263,7 @@ A very simple (and naive) implementation of a device attribute is::`
`263`	`263`	`static ssize_t show_name(struct device dev, struct device_attribute attr,`
`264`	`264`	`char *buf)`
`265`	`265`	`{`
`266`		`- return scnprintf(buf, PAGE_SIZE, "%s\n", dev->name);`
	`266`	`+ return sysfs_emit(buf, "%s\n", dev->name);`
`267`	`267`	`}`
`268`	`268`
`269`	`269`	`static ssize_t store_name(struct device dev, struct device_attribute attr,`