From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
The comparison of value with the array size ps_gamepad_hat_mapping
appears to be off-by-one. Fix this by using >= rather than > for the
size comparison.
Addresses-Coverity: ("Out-of-bounds read")
Fixes: bc2e15a9a022 ("HID: playstation: initial DualSense USB support.")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
drivers/hid/hid-playstation.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c
index 408b651174cf..568a3a067c88 100644
--- a/drivers/hid/hid-playstation.c
+++ b/drivers/hid/hid-playstation.c
@@ -1064,7 +1064,7 @@ static int dualsense_parse_report(struct ps_device *ps_dev, struct hid_report *r
input_report_abs(ds->gamepad, ABS_RZ, ds_report->rz);
value = ds_report->buttons[0] & DS_BUTTONS0_HAT_SWITCH;
- if (value > ARRAY_SIZE(ps_gamepad_hat_mapping))
+ if (value >= ARRAY_SIZE(ps_gamepad_hat_mapping))
value = 8; /* center */
input_report_abs(ds->gamepad, ABS_HAT0X, ps_gamepad_hat_mapping[value].x);
input_report_abs(ds->gamepad, ABS_HAT0Y, ps_gamepad_hat_mapping[value].y);
--
2.30.0
