[tip: timers/core] clockevents: Convert s[n]printf() to sysfs_emit()

From: tip-bot2 for Li Zhijian
Date: Tue Apr 09 2024 - 06:39:37 EST


The following commit has been merged into the timers/core branch of tip:

Commit-ID: 98fe0fcb326a923740cb8900aa7ed7fe538c984a
Gitweb: https://git.kernel.org/tip/98fe0fcb326a923740cb8900aa7ed7fe538c984a
Author: Li Zhijian <lizhijian@xxxxxxxxxxx>
AuthorDate: Thu, 14 Mar 2024 18:04:02 +08:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Tue, 09 Apr 2024 12:32:37 +02:00

clockevents: Convert s[n]printf() to sysfs_emit()

Per filesystems/sysfs.rst, show() should only use sysfs_emit() or
sysfs_emit_at() when formatting the value to be returned to user space.

coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().

Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240314100402.1326582-2-lizhijian@xxxxxxxxxxx
---
kernel/time/clockevents.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index a7ca458..60a6484 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -677,7 +677,7 @@ static ssize_t current_device_show(struct device *dev,
raw_spin_lock_irq(&clockevents_lock);
td = tick_get_tick_dev(dev);
if (td && td->evtdev)
- count = snprintf(buf, PAGE_SIZE, "%s\n", td->evtdev->name);
+ count = sysfs_emit(buf, "%s\n", td->evtdev->name);
raw_spin_unlock_irq(&clockevents_lock);
return count;
}