linux-kernel - [PATCH 09/24] n_hdlc: remove unused flags

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Date:   Wed, 19 Feb 2020 09:41:03 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 09/24] n_hdlc: remove unused flags

They are only set to 0 and never read.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/tty/n_hdlc.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index e40561caa450..d0e538ba51ea 100644
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -124,7 +124,6 @@ struct n_hdlc_buf_list {
 /**
  * struct n_hdlc - per device instance data structure
  * @magic - magic value for structure
- * @flags - miscellaneous control flags
  * @tty - ptr to TTY structure
  * @backup_tty - TTY to use if tty gets closed
  * @tbusy - reentrancy flag for tx wakeup code
@@ -136,7 +135,6 @@ struct n_hdlc_buf_list {
  */
 struct n_hdlc {
 	int			magic;
-	__u32			flags;
 	struct tty_struct	*tty;
 	struct tty_struct	*backup_tty;
 	int			tbusy;
@@ -808,8 +806,7 @@ static struct n_hdlc *n_hdlc_alloc(void)
 	
 	/* Initialize the control block */
 	n_hdlc->magic  = HDLC_MAGIC;
-	n_hdlc->flags  = 0;
-	
+
 	return n_hdlc;
 	
 }	/* end of n_hdlc_alloc() */
-- 
2.25.0