HID: fix error condition propagation in hid-sony driver

sony_set_operational() only propagates return value from
usb_control_msg(), which returns negative on error and number
of transferred bytes otherwise.

Reported-by: Marcin Tolysz <tolysz@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 86e563b8d6447a81fd924a1e45f9cdb37ebac48f..dd5a3979a4defd1e606669da4ccc91800a0c60c3 100644 (file)
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -102,7 +102,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
        }
 
        ret = sony_set_operational(hdev);
-       if (ret)
+       if (ret < 0)
                goto err_stop;
 
        return 0;