[media] em28xx-cards: properly initialize the device bitmap

Instead of just creating a long int, use DECLARE_BITMAP().

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/usb/em28xx/em28xx-cards.c

···
 
 
 /* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS - 1 */
-static unsigned long em28xx_devused;
+DECLARE_BITMAP(em28xx_devused, EM28XX_MAXBOARDS);
 
 struct em28xx_hash_table {
 	unsigned long hash;
···
 	usb_put_dev(dev->udev);
 
 	/* Mark device as unused */
-	clear_bit(dev->devno, &em28xx_devused);
+	clear_bit(dev->devno, em28xx_devused);
 
 	mutex_unlock(&dev->lock);
 };
···
 
 	/* Check to see next free device and mark as used */
 	do {
-		nr = find_first_zero_bit(&em28xx_devused, EM28XX_MAXBOARDS);
+		nr = find_first_zero_bit(em28xx_devused, EM28XX_MAXBOARDS);
 		if (nr >= EM28XX_MAXBOARDS) {
 			/* No free device slots */
 			printk(DRIVER_NAME ": Supports only %i em28xx boards.\n",
···
 			retval = -ENOMEM;
 			goto err_no_slot;
 		}
-	} while (test_and_set_bit(nr, &em28xx_devused));
+	} while (test_and_set_bit(nr, em28xx_devused));
 
 	/* Don't register audio interfaces */
 	if (interface->altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) {
···
 	kfree(dev);
 
 err:
-	clear_bit(nr, &em28xx_devused);
+	clear_bit(nr, em28xx_devused);
 
 err_no_slot:
 	usb_put_dev(udev);