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xen: balloon: Replace sprintf() with sysfs_emit()

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Replace sprintf() calls with sysfs_emit() to follow current kernel
coding standards.

sysfs_emit() is the preferred method for formatting sysfs output as it
provides better bounds checking and is more secure.

Signed-off-by: Yash Suthar <yashsuthar983@gmail.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20260517133817.29691-1-yashsuthar983@gmail.com>
This commit is contained in:
Yash Suthar 2026-05-17 19:08:17 +05:30 committed by Juergen Gross
parent 19c5d6401d
commit 77a834c9d9
1 changed files with 3 additions and 3 deletions
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6
drivers/xen/xen-balloon.c
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@ -138,7 +138,7 @@ EXPORT_SYMBOL_GPL(xen_balloon_init);
struct device_attribute *attr, \
char *buf) \
{ \
return sprintf(buf, format, ##args); \
return sysfs_emit(buf, format, ##args); \
} \
static DEVICE_ATTR_RO(name)
@ -155,7 +155,7 @@ static DEVICE_BOOL_ATTR(scrub_pages, 0644, xen_scrub_pages);
static ssize_t target_kb_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%lu\n", PAGES2KB(balloon_stats.target_pages));
return sysfs_emit(buf, "%lu\n", PAGES2KB(balloon_stats.target_pages));
}
static ssize_t target_kb_store(struct device *dev,
@ -180,7 +180,7 @@ static DEVICE_ATTR_RW(target_kb);
static ssize_t target_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%llu\n",
return sysfs_emit(buf, "%llu\n",
(unsigned long long)balloon_stats.target_pages
<< PAGE_SHIFT);
}