Input: HID - fix potential out-of-bound array access

Fixes Coverity #id 978

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

diff --git a/drivers/usb/input/hid-input.c b/drivers/usb/input/hid-input.c
index 028e1ad89f5d96471f08bbb36a96c6d3ee33e121..7208839f2dbf24d50c15516b7d99971980f8160d 100644 (file)
--- a/drivers/usb/input/hid-input.c
+++ b/drivers/usb/input/hid-input.c
@@ -607,7 +607,8 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 
        }
 
-       if (usage->hat_min < usage->hat_max || usage->hat_dir) {
+       if (usage->type == EV_ABS &&
+           (usage->hat_min < usage->hat_max || usage->hat_dir)) {
                int i;
                for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
                        input_set_abs_params(input, i, -1, 1, 0, 0);