[media] gspca_kinect: fix messages about kinect_read() return value

Messages relative to kinect_read() are printing "res" which contains the
return value of a previous kinect_write().

Print the correct value in the messages.

Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/usb/gspca/kinect.c b/drivers/media/usb/gspca/kinect.c
index 48084736f882b042e74bedd9319e2e73c9cebc13..081f05162809b27edc1f92ba4c58a875e7e04bee 100644 (file)
--- a/drivers/media/usb/gspca/kinect.c
+++ b/drivers/media/usb/gspca/kinect.c
@@ -155,9 +155,10 @@ static int send_cmd(struct gspca_dev *gspca_dev, uint16_t cmd, void *cmdbuf,
        do {
                actual_len = kinect_read(udev, ibuf, 0x200);
        } while (actual_len == 0);
-       PDEBUG(D_USBO, "Control reply: %d", res);
+       PDEBUG(D_USBO, "Control reply: %d", actual_len);
        if (actual_len < sizeof(*rhdr)) {
-               pr_err("send_cmd: Input control transfer failed (%d)\n", res);
+               pr_err("send_cmd: Input control transfer failed (%d)\n",
+                      actual_len);
                return actual_len < 0 ? actual_len : -EREMOTEIO;
        }
        actual_len -= sizeof(*rhdr);