diff mbox series

tty: rfcomm: use sysfs_emit() instead of sprintf()

Message ID 20241129102640.499871-1-zhangheng@kylinos.cn
State New
Headers show
Series tty: rfcomm: use sysfs_emit() instead of sprintf() | expand

Commit Message

zhangheng Nov. 29, 2024, 10:26 a.m. UTC 
From: Heng Zhang <zhangheng@kylinos.cn>

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

Signed-off-by: Heng Zhang <zhangheng@kylinos.cn>
---
 net/bluetooth/rfcomm/tty.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index af80d599c337..21a5b5535ebc 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -201,14 +201,14 @@  static ssize_t address_show(struct device *tty_dev,
 			    struct device_attribute *attr, char *buf)
 {
 	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
-	return sprintf(buf, "%pMR\n", &dev->dst);
+	return sysfs_emit(buf, "%pMR\n", &dev->dst);
 }
 
 static ssize_t channel_show(struct device *tty_dev,
 			    struct device_attribute *attr, char *buf)
 {
 	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
-	return sprintf(buf, "%d\n", dev->channel);
+	return sysfs_emit(buf, "%d\n", dev->channel);
 }
 
 static DEVICE_ATTR_RO(address);