[PATCH 03/10] block: convert disk events sysfs show to sysfs_emit/sysfs_emit_at

[Jackie Liu <liu.yun@linux.dev>]

From: Jackie Liu <liuyun01@kylinos.cn>

Use sysfs_emit()/sysfs_emit_at() instead of sprintf() for the disk
events sysfs attributes.

Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
---
 block/disk-events.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/block/disk-events.c b/block/disk-events.c
index 9f9f9f8a2d6b..b1680d6a1027 100644
--- a/block/disk-events.c
+++ b/block/disk-events.c
@@ -329,12 +329,12 @@ static ssize_t __disk_events_show(unsigned int events, char *buf)
 
 	for (i = 0; i < ARRAY_SIZE(disk_events_strs); i++)
 		if (events & (1 << i)) {
-			pos += sprintf(buf + pos, "%s%s",
-				       delim, disk_events_strs[i]);
+			pos += sysfs_emit_at(buf, pos, "%s%s",
+					     delim, disk_events_strs[i]);
 			delim = " ";
 		}
 	if (pos)
-		pos += sprintf(buf + pos, "\n");
+		pos += sysfs_emit_at(buf, pos, "\n");
 	return pos;
 }
 
@@ -361,8 +361,8 @@ static ssize_t disk_events_poll_msecs_show(struct device *dev,
 	struct gendisk *disk = dev_to_disk(dev);
 
 	if (!disk->ev)
-		return sprintf(buf, "-1\n");
-	return sprintf(buf, "%ld\n", disk->ev->poll_msecs);
+		return sysfs_emit(buf, "-1\n");
+	return sysfs_emit(buf, "%ld\n", disk->ev->poll_msecs);
 }
 
 static ssize_t disk_events_poll_msecs_store(struct device *dev,
-- 
2.51.1