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

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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sysfs_emit_at(), but example keeps outdated code.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>
This commit is contained in:
Andy Shevchenko 2022-09-28 16:57:41 +03:00 committed by Greg Kroah-Hartman
parent 1da40c2667
commit fda8c908bc
1 changed files with 1 additions and 1 deletions
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Documentation/filesystems/sysfs.rst
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@ -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, static ssize_t show_name(struct device *dev, struct device_attribute *attr,
char *buf) 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, static ssize_t store_name(struct device *dev, struct device_attribute *attr,