Messages in this thread Patch in this message | | | From | Rodolfo Giometti <> | Date | Tue, 16 Feb 2010 10:51:22 +0100 | Subject | [PATCH 5/8] ldisc n_tty: add new method n_tty_inherit_ops() |
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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@linux.it> --- drivers/char/n_tty.c | 9 +++++++++ include/linux/tty.h | 1 + 2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index 2e50f4d..0f11375 100644 --- a/drivers/char/n_tty.c +++ b/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 --git a/include/linux/tty.h b/include/linux/tty.h index f0f43d0..5091438 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -485,6 +485,7 @@ extern void tty_ldisc_enable(struct tty_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 -- 1.6.3.3
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