Merge git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

[sfrench/cifs-2.6.git] / drivers / input / mouse / logips2pp.c

diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index d3ddea26b8ca65fec6f714032425d50e801bda3a..9df74b72e6c4669c5d5ecd2863ae4f02aeff8437 100644 (file)
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -200,6 +200,7 @@ static void ps2pp_disconnect(struct psmouse *psmouse)
 static const struct ps2pp_info *get_model_info(unsigned char model)
 {
        static const struct ps2pp_info ps2pp_list[] = {
+               {  1,   0,                      0 },    /* Simple 2-button mouse */
                { 12,   0,                      PS2PP_SIDE_BTN},
                { 13,   0,                      0 },
                { 15,   PS2PP_KIND_MX,                                  /* MX1000 */
@@ -338,12 +339,12 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties)
        param[1] = 0;
        ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
 
-       if (!param[1])
-               return -1;
-
        model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
        buttons = param[1];
 
+       if (!model || !buttons)
+               return -1;
+
        if ((model_info = get_model_info(model)) != NULL) {
 
 /*