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SubjectRe: [PATCH 1/5] arch/um: handle compat_ioctl in tty line driver
On Thu, Aug 06, 2009 at 03:09:26PM +0200, Arnd Bergmann wrote:
>This pushes the handling of VT specific ioctls down to the
>UML specific drivers so we can remove it from the common
>compat_ioctl.c file.
>
>Cc: Jeff Dike <jdike@addtoit.com>
>Signed-off-by: Arnd Bergmann <arnd@arndb.de>


Acked-by: WANG Cong <xiyou.wangcong@gmail.com>



>---
> arch/um/drivers/line.c | 6 ++++++
> arch/um/drivers/ssl.c | 1 +
> arch/um/drivers/stdio_console.c | 1 +
> arch/um/include/shared/line.h | 2 ++
> 4 files changed, 10 insertions(+), 0 deletions(-)
>
>diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
>index 14a102e..9819a3b 100644
>--- a/arch/um/drivers/line.c
>+++ b/arch/um/drivers/line.c
>@@ -314,6 +314,12 @@ int line_ioctl(struct tty_struct *tty, struct file * file,
> return ret;
> }
>
>+long line_compat_ioctl(struct tty_struct *tty, struct file * file,
>+ unsigned int cmd, unsigned long arg)
>+{
>+ return line_ioctl(tty, file, cmd, arg);
>+}
>+
> void line_throttle(struct tty_struct *tty)
> {
> struct line *line = tty->driver_data;
>diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c
>index f1786e6..eccf14a 100644
>--- a/arch/um/drivers/ssl.c
>+++ b/arch/um/drivers/ssl.c
>@@ -137,6 +137,7 @@ static const struct tty_operations ssl_ops = {
> .flush_chars = line_flush_chars,
> .set_termios = line_set_termios,
> .ioctl = line_ioctl,
>+ .compat_ioctl = line_compat_ioctl,
> .throttle = line_throttle,
> .unthrottle = line_unthrottle,
> #if 0
>diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
>index 49266f6..2cb1f04 100644
>--- a/arch/um/drivers/stdio_console.c
>+++ b/arch/um/drivers/stdio_console.c
>@@ -120,6 +120,7 @@ static const struct tty_operations console_ops = {
> .flush_chars = line_flush_chars,
> .set_termios = line_set_termios,
> .ioctl = line_ioctl,
>+ .compat_ioctl = line_compat_ioctl,
> .throttle = line_throttle,
> .unthrottle = line_unthrottle,
> };
>diff --git a/arch/um/include/shared/line.h b/arch/um/include/shared/line.h
>index 311a0d3..6ef62e4 100644
>--- a/arch/um/include/shared/line.h
>+++ b/arch/um/include/shared/line.h
>@@ -79,6 +79,8 @@ extern void line_flush_chars(struct tty_struct *tty);
> extern int line_write_room(struct tty_struct *tty);
> extern int line_ioctl(struct tty_struct *tty, struct file * file,
> unsigned int cmd, unsigned long arg);
>+extern long line_compat_ioctl(struct tty_struct *tty, struct file * file,
>+ unsigned int cmd, unsigned long arg);
> extern void line_throttle(struct tty_struct *tty);
> extern void line_unthrottle(struct tty_struct *tty);
>
>--
>1.6.3.3
>
>--
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