tty: tty_ldisc: Remove the ret variable

Message ID 20230222202303.3195-1-zeming@nfschina.com
State New
Headers
Series tty: tty_ldisc: Remove the ret variable |

Commit Message

Li zeming Feb. 22, 2023, 8:23 p.m. UTC
  The int variable ret does not receive the return value in this function.
It should be removed and returned 0 directly.

Signed-off-by: Li zeming <zeming@nfschina.com>
---
 drivers/tty/tty_ldisc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
  

Comments

Jiri Slaby Feb. 22, 2023, 7:30 a.m. UTC | #1
On 22. 02. 23, 21:23, Li zeming wrote:
> The int variable ret does not receive the return value in this function.
> It should be removed and returned 0 directly.
> 
> Signed-off-by: Li zeming <zeming@nfschina.com>

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
  

Patch

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index e758f44729e7..3f68e213df1f 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -58,7 +58,6 @@  static struct tty_ldisc_ops *tty_ldiscs[NR_LDISCS];
 int tty_register_ldisc(struct tty_ldisc_ops *new_ldisc)
 {
 	unsigned long flags;
-	int ret = 0;
 
 	if (new_ldisc->num < N_TTY || new_ldisc->num >= NR_LDISCS)
 		return -EINVAL;
@@ -67,7 +66,7 @@  int tty_register_ldisc(struct tty_ldisc_ops *new_ldisc)
 	tty_ldiscs[new_ldisc->num] = new_ldisc;
 	raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags);
 
-	return ret;
+	return 0;
 }
 EXPORT_SYMBOL(tty_register_ldisc);