diff mbox series

[v6,36/43] tty: handle compat PPP ioctls

Message ID 20191009191044.308087-37-arnd@arndb.de
State Accepted
Commit b7aff093e94daff1e6076393ed43b7c9651b2b43
Headers show
Series [v6,01/43] fix compat handling of FICLONERANGE, FIDEDUPERANGE and FS_IOC_FIEMAP | expand

Commit Message

Arnd Bergmann Oct. 9, 2019, 7:10 p.m. UTC 
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.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

---
 drivers/tty/tty_io.c | 4 ++++
 1 file changed, 4 insertions(+)

-- 
2.20.0
diff mbox series

Patch

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index c09691b20a25..a81807b394d1 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: