[PATCH 3/4] n_tty: pass ldata to canon_skip_eof() directly

From: Jiri Slaby (SUSE)
Date: Wed Aug 16 2023 - 07:00:24 EST


'tty' is not needed in canon_skip_eof(), so we can pass 'ldata' directly
instead.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
---
drivers/tty/n_tty.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index c1859ae263eb..bab7005ef520 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2053,9 +2053,8 @@ static bool canon_copy_from_read_buf(struct tty_struct *tty,
* EOF (special EOL character that's a __DISABLED_CHAR)
* in the stream, silently eat the EOF.
*/
-static void canon_skip_eof(struct tty_struct *tty)
+static void canon_skip_eof(struct n_tty_data *ldata)
{
- struct n_tty_data *ldata = tty->disc_data;
size_t tail, canon_head;

canon_head = smp_load_acquire(&ldata->canon_head);
@@ -2153,7 +2152,7 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
* releasing the lock and returning done.
*/
if (!nr)
- canon_skip_eof(tty);
+ canon_skip_eof(ldata);
else if (canon_copy_from_read_buf(tty, &kb, &nr))
return kb - kbuf;
} else {
--
2.41.0