[media] em28xx-cards: fix a warning

drivers/media/usb/em28xx/em28xx-cards.c:3309:2: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index bcd06e5..619bffb 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -3306,7 +3306,7 @@ static int em28xx_usb_probe(struct usb_interface *interface,
 
        dev->num_alt = interface->num_altsetting;
 
-       if ((card[nr] >= 0) && (card[nr] < em28xx_bcount))
+       if ((unsigned)card[nr] < em28xx_bcount)
                dev->model = card[nr];
 
        /* save our data pointer in this interface device */