Multiple tty devices are have tty devices that handle the PPPIOCGUNIT and PPPIOCGCHAN ioctls. To avoid adding a compat_ioctl handler to each of those, add it directly in tty_compat_ioctl so we can remove the calls from fs/compat_ioctl.c. Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/tty/tty_io.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index cee8b69c6f72..bf5241e0d772 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -87,6 +87,7 @@ #include <linux/string.h> #include <linux/slab.h> #include <linux/poll.h> +#include <linux/ppp-ioctl.h> #include <linux/proc_fs.h> #include <linux/init.h> #include <linux/module.h> @@ -2811,6 +2812,9 @@ static long tty_compat_ioctl(struct file *file, unsigned int cmd, #endif case TIOCGSOFTCAR: case TIOCSSOFTCAR: + + case PPPIOCGCHAN: + case PPPIOCGUNIT: return tty_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); case TIOCCONS: case TIOCEXCL: -- 2.20.0
