Input: fix potential overflows in driver/input/touchscreen

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/touchscreen/mtouch.c b/drivers/input/touchscreen/mtouch.c
index 1d0d37eeef6..8647a905df8 100644
--- a/drivers/input/touchscreen/mtouch.c
+++ b/drivers/input/touchscreen/mtouch.c
@@ -143,7 +143,7 @@ static int mtouch_connect(struct serio *serio, struct serio_driver *drv)
 
         mtouch->serio = serio;
         mtouch->dev = input_dev;
-        sprintf(mtouch->phys, "%s/input0", serio->phys);
+        snprintf(mtouch->phys, sizeof(mtouch->phys), "%s/input0", serio->phys);
 
         input_dev->private = mtouch;
         input_dev->name = "MicroTouch Serial TouchScreen";