diff options
-rw-r--r-- | drivers/hid/hid-picolcd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c index 01e7d2cd7c2..1daeacabc83 100644 --- a/drivers/hid/hid-picolcd.c +++ b/drivers/hid/hid-picolcd.c @@ -1424,7 +1424,7 @@ 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')) |