Input: fix potential overflows in driver/input/keyboard

Change all sprintfs into snprintfs to make sure we won't stomp on
data adjacent to our buffers.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/input/keyboard/xtkbd.c b/drivers/input/keyboard/xtkbd.c
index 4135e3e16c51..0821d53cf0c1 100644
--- a/drivers/input/keyboard/xtkbd.c
+++ b/drivers/input/keyboard/xtkbd.c
@@ -100,7 +100,7 @@ static int xtkbd_connect(struct serio *serio, struct serio_driver *drv)
 
         xtkbd->serio = serio;
         xtkbd->dev = input_dev;
-        sprintf(xtkbd->phys, "%s/input0", serio->phys);
+        snprintf(xtkbd->phys, sizeof(xtkbd->phys), "%s/input0", serio->phys);
         memcpy(xtkbd->keycode, xtkbd_keycode, sizeof(xtkbd->keycode));
 
         input_dev->name = "XT Keyboard";