[PATCH 19/24] n_hdlc: use __func__ and pr_ print helpers

From: Jiri Slaby
Date: Wed Feb 19 2020 - 03:41:44 EST


* we mark the message in n_hdlc_tty_receive as error
* we use __func__ instead of explicit function name
* we switch the remaining prints to pr_* helpers

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/tty/n_hdlc.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index cf8485beaccd..048e5a155bea 100644
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -197,7 +197,7 @@ static void n_hdlc_tty_close(struct tty_struct *tty)
struct n_hdlc *n_hdlc = tty->disc_data;

if (n_hdlc->magic != HDLC_MAGIC) {
- printk(KERN_WARNING "n_hdlc: trying to close unopened tty!\n");
+ pr_warn("n_hdlc: trying to close unopened tty!\n");
return;
}
#if defined(TTY_NO_WRITE_SPLIT)
@@ -231,13 +231,13 @@ static int n_hdlc_tty_open (struct tty_struct *tty)

/* There should not be an existing table for this slot. */
if (n_hdlc) {
- printk (KERN_ERR"n_hdlc_tty_open:tty already associated!\n" );
+ pr_err("%s: tty already associated!\n", __func__);
return -EEXIST;
}

n_hdlc = n_hdlc_alloc();
if (!n_hdlc) {
- printk (KERN_ERR "n_hdlc_alloc failed\n");
+ pr_err("%s: n_hdlc_alloc failed\n", __func__);
return -ENFILE;
}

@@ -371,8 +371,8 @@ static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *data,

/* verify line is using HDLC discipline */
if (n_hdlc->magic != HDLC_MAGIC) {
- printk("%s(%d) line not using HDLC discipline\n",
- __FILE__,__LINE__);
+ pr_err("%s(%d) line not using HDLC discipline\n",
+ __FILE__, __LINE__);
return;
}

@@ -431,8 +431,8 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file,

/* verify user access to buffer */
if (!access_ok(buf, nr)) {
- printk(KERN_WARNING "%s(%d) n_hdlc_tty_read() can't verify user "
- "buffer\n", __FILE__, __LINE__);
+ pr_warn("%s(%d) %s() can't verify user buffer\n",
+ __FILE__, __LINE__, __func__);
return -EFAULT;
}

--
2.25.0