Input: fix potential overflows in driver/input/joystick

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, 2 insertions, 1 deletions

diff --git a/drivers/input/joystick/cobra.c b/drivers/input/joystick/cobra.c
index 1909f7ef340c..d5e42eb88a20 100644
--- a/drivers/input/joystick/cobra.c
+++ b/drivers/input/joystick/cobra.c
@@ -202,7 +202,8 @@ static int cobra_connect(struct gameport *gameport, struct gameport_driver *drv)
                         goto fail3;
                 }
 
-                sprintf(cobra->phys[i], "%s/input%d", gameport->phys, i);
+                snprintf(cobra->phys[i], sizeof(cobra->phys[i]),
+                         "%s/input%d", gameport->phys, i);
 
                 input_dev->name = "Creative Labs Blaster GamePad Cobra";
                 input_dev->phys = cobra->phys[i];