github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-28 10:09:10 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

sparc: vio: use sysfs_emit in sysfs show functions

Browse Source 
Replace sprintf() and scnprintf() with sysfs_emit() in sysfs show
functions. sysfs_emit() is preferred to format sysfs output as it
provides better bounds checking.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Tested-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
This commit is contained in:
Thorsten Blum 2026-05-04 20:13:20 +02:00 committed by Andreas Larsson
parent 254f49634e
commit a7532c505f
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/sparc/kernel/vio.c
View File

@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/sysfs.h>
#include <linux/irq.h>
#include <linux/export.h>
#include <linux/init.h>
@ -121,7 +122,7 @@ static ssize_t devspec_show(struct device *dev,
else if (!strcmp(vdev->type, "vdc-port"))
str = "vdisk";
return sprintf(buf, "%s\n", str);
return sysfs_emit(buf, "%s\n", str);
}
static DEVICE_ATTR_RO(devspec);
@ -129,7 +130,7 @@ static ssize_t type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct vio_dev *vdev = to_vio_dev(dev);
return sprintf(buf, "%s\n", vdev->type);
return sysfs_emit(buf, "%s\n", vdev->type);
}
static DEVICE_ATTR_RO(type);
@ -138,7 +139,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
{
const struct vio_dev *vdev = to_vio_dev(dev);
return sprintf(buf, "vio:T%sS%s\n", vdev->type, vdev->compat);
return sysfs_emit(buf, "vio:T%sS%s\n", vdev->type, vdev->compat);
}
static DEVICE_ATTR_RO(modalias);
@ -192,7 +193,7 @@ show_pciobppath_attr(struct device *dev, struct device_attribute *attr,
vdev = to_vio_dev(dev);
dp = vdev->dp;
return scnprintf(buf, PAGE_SIZE, "%pOF\n", dp);
return sysfs_emit(buf, "%pOF\n", dp);
}
static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH,