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Input: drivers/input/mice - don't access dev->private directly
[powerpc.git]
/
drivers
/
input
/
mouse
/
logips2pp.c
diff --git
a/drivers/input/mouse/logips2pp.c
b/drivers/input/mouse/logips2pp.c
index
d3ddea2
..
9df74b7
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[] = {
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 */
{ 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);
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];
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) {
/*
if ((model_info = get_model_info(model)) != NULL) {
/*