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Diffstat (limited to 'drivers/hid/hid-multitouch.c')
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index db29bf539a4b..ac31998f93a8 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -616,6 +616,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, (usage->hid & HID_USAGE) > 1) code--; hid_map_usage(hi, usage, bit, max, EV_KEY, code); + if (!*bit) + return -1; input_set_capability(hi->input, EV_KEY, code); return 1; |