linux-kernel - [PATCH] vfio/mdev: Use sysfs_emit() to instead of sprintf()

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Message-ID: <20230129084117.2384-1-liubo03@inspur.com>
Date:   Sun, 29 Jan 2023 03:41:17 -0500
From:   Bo Liu <liubo03@...pur.com>
To:     <kwankhede@...dia.com>, <alex.williamson@...hat.com>
CC:     <kvm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Bo Liu <liubo03@...pur.com>
Subject: [PATCH] vfio/mdev: Use sysfs_emit() to instead of sprintf()

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: Bo Liu <liubo03@...pur.com>
---
 drivers/vfio/mdev/mdev_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c
index abe3359dd477..e4490639d383 100644
--- a/drivers/vfio/mdev/mdev_sysfs.c
+++ b/drivers/vfio/mdev/mdev_sysfs.c
@@ -96,7 +96,7 @@ static MDEV_TYPE_ATTR_RO(device_api);
 static ssize_t name_show(struct mdev_type *mtype,
 			 struct mdev_type_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%s\n",
+	return sysfs_emit(buf, "%s\n",
 		mtype->pretty_name ? mtype->pretty_name : mtype->sysfs_name);
 }
 
-- 
2.27.0