HID: usbhid: change return error of usbhid_output_report

If there is no urbout when sending a output report, ENOSYS (Function
not implemented) is a better error than EIO (I/O error).

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index b9a770f4d7aef9812e74379a7c8ba5513d8da8d4..0d1d87533f4851b3b94b2b19ccc860b445535554 100644 (file)
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -922,7 +922,7 @@ static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count)
        int actual_length, skipped_report_id = 0, ret;
 
        if (!usbhid->urbout)
-               return -EIO;
+               return -ENOSYS;
 
        if (buf[0] == 0x0) {
                /* Don't send the Report ID */