Input: lifebook - fix an oops on Panasonic CF-18

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

diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 1740cad..91109b4 100644 (file)
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -109,7 +109,7 @@ static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
 {
        struct lifebook_data *priv = psmouse->private;
        struct input_dev *dev1 = psmouse->dev;
-       struct input_dev *dev2 = priv->dev2;
+       struct input_dev *dev2 = priv ? priv->dev2 : NULL;
        unsigned char *packet = psmouse->packet;
        int relative_packet = packet[0] & 0x08;