The patch titled
ldisc n_tty: add new method n_tty_inherit_ops()
has been added to the -mm tree. Its filename is
ldisc-n_tty-add-new-method-n_tty_inherit_ops.patch
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------------------------------------------------------
Subject: ldisc n_tty: add new method n_tty_inherit_ops()
From: Rodolfo Giometti <giometti@xxxxxxxx>
This new method can be used to init a new struct tty_ldisc_ops as the
default tty_ldisc_N_TTY struct.
Signed-off-by: Rodolfo Giometti <giometti@xxxxxxxx>
Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: Alexander Gordeev <lasaine@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/n_tty.c | 9 +++++++++
include/linux/tty.h | 1 +
2 files changed, 10 insertions(+)
diff -puN drivers/char/n_tty.c~ldisc-n_tty-add-new-method-n_tty_inherit_ops drivers/char/n_tty.c
--- a/drivers/char/n_tty.c~ldisc-n_tty-add-new-method-n_tty_inherit_ops
+++ a/drivers/char/n_tty.c
@@ -48,6 +48,7 @@
#include <linux/audit.h>
#include <linux/file.h>
#include <linux/uaccess.h>
+#include <linux/module.h>
#include <asm/system.h>
@@ -2091,3 +2092,11 @@ struct tty_ldisc_ops tty_ldisc_N_TTY = {
.receive_buf = n_tty_receive_buf,
.write_wakeup = n_tty_write_wakeup
};
+
+void n_tty_inherit_ops(struct tty_ldisc_ops *ops)
+{
+ *ops = tty_ldisc_N_TTY;
+ ops->owner = NULL;
+ ops->refcount = ops->flags = 0;
+}
+EXPORT_SYMBOL_GPL(n_tty_inherit_ops);
diff -puN include/linux/tty.h~ldisc-n_tty-add-new-method-n_tty_inherit_ops include/linux/tty.h
--- a/include/linux/tty.h~ldisc-n_tty-add-new-method-n_tty_inherit_ops
+++ a/include/linux/tty.h
@@ -504,6 +504,7 @@ extern void tty_ldisc_enable(struct tty_
/* n_tty.c */
extern struct tty_ldisc_ops tty_ldisc_N_TTY;
+extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);
/* tty_audit.c */
#ifdef CONFIG_AUDIT
_
Patches currently in -mm which might be from giometti@xxxxxxxx are
linux-next.patch
pps-linuxpps-clients-support.patch
ldisc-new-dcd_change-method-for-line-disciplines.patch
ldisc-n_tty-add-new-method-n_tty_inherit_ops.patch
pps-serial-clients-support.patch
pps-serial-clients-support-fix.patch
serial-8250-enable-pps-support.patch
serial-amba-pl010-enable-pps-support.patch
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