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Subject[PATCH 02/16] tty: remove flags from struct tty_ldisc_ops
Date
The last user was apparently removed by commit a352def21a64 (tty: Ldisc
revamp) in 2008. So remove the field completely, the only setter
(n_tty_inherit_ops) and also its only possible value
(LDISC_FLAG_DEFINED).

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/tty/n_tty.c | 1 -
include/linux/tty_ldisc.h | 3 ---
2 files changed, 4 deletions(-)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 0965793dfe4f..dcb5e6ef8747 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2450,7 +2450,6 @@ void n_tty_inherit_ops(struct tty_ldisc_ops *ops)
{
*ops = n_tty_ops;
ops->owner = NULL;
- ops->flags = 0;
}
EXPORT_SYMBOL_GPL(n_tty_inherit_ops);

diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index b1d812e902aa..1f37184eee63 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -180,7 +180,6 @@ extern int ldsem_down_write_nested(struct ld_semaphore *sem, int subclass,
struct tty_ldisc_ops {
char *name;
int num;
- int flags;

/*
* The following routines are called from above.
@@ -220,8 +219,6 @@ struct tty_ldisc {
struct tty_struct *tty;
};

-#define LDISC_FLAG_DEFINED 0x00000001
-
#define MODULE_ALIAS_LDISC(ldisc) \
MODULE_ALIAS("tty-ldisc-" __stringify(ldisc))

--
2.33.0
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