Re: [PATCH] tty: rfcomm: use sysfs_emit() instead of sprintf()

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Dear Zhangheng,


Thank you for your patch.

Am 22.11.24 um 12:19 schrieb zhangheng:
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: zhangheng <zhangheng@xxxxxxxxxx>

Is zhangheng the official spelling of your name? If not, please update.

---
  net/bluetooth/rfcomm/tty.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

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);


Kind regards,

Paul




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