diff options
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-input.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index f333139d1a48..b7b0d55c0ede 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -822,6 +822,13 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct return; } + /* Ignore absolute values that are out of bounds */ + if ((usage->type == EV_ABS && (value < field->logical_minimum || + value > field->logical_maximum))) { + dbg_hid("Ignoring out-of-range value %x\n", value); + return; + } + /* report the usage code as scancode if the key status has changed */ if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value) input_event(input, EV_MSC, MSC_SCAN, usage->hid); |
