diff options
Diffstat (limited to 'drivers/hid/hid-picolcd_core.c')
| -rw-r--r-- | drivers/hid/hid-picolcd_core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c index b48092d0e139..020df3c2e8b4 100644 --- a/drivers/hid/hid-picolcd_core.c +++ b/drivers/hid/hid-picolcd_core.c @@ -290,7 +290,7 @@ static ssize_t picolcd_operation_mode_store(struct device *dev, buf += 10; cnt -= 10; } - if (!report) + if (!report || report->maxfield != 1) return -EINVAL; while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r')) @@ -350,6 +350,12 @@ static int picolcd_raw_event(struct hid_device *hdev, if (!data) return 1; + if (size > 64) { + hid_warn(hdev, "invalid size value (%d) for picolcd raw event\n", + size); + return 0; + } + if (report->id == REPORT_KEY_STATE) { if (data->input_keys) ret = picolcd_raw_keypad(data, report, raw_data+1, size-1); |