Input: fix potential overflows in driver/input/mouse

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

Noticed by Wouter Paesen <wouter@kangaroot.net>

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

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index a0e2e797c6d5..070d75330afd 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -470,7 +470,7 @@ int alps_init(struct psmouse *psmouse)
                 dev1->keybit[LONG(BTN_BACK)] |= BIT(BTN_BACK);
         }
 
-        sprintf(priv->phys, "%s/input1", psmouse->ps2dev.serio->phys);
+        snprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys);
         dev2->phys = priv->phys;
         dev2->name = (priv->i->flags & ALPS_DUALPOINT) ? "DualPoint Stick" : "PS/2 Mouse";
         dev2->id.bustype = BUS_I8042;