Merge tag 'sirf-dts-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/baohua...

[karo-tx-linux.git] / drivers / hid / hid-picolcd_core.c

diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c
index b48092d0e1394a73f4c4ef66a21bc490f4b686f0..acbb021065ece8287c9d3ea433c860afc0711855 100644 (file)
--- 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'))