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Commit c3aed262 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

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



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

No functional changes.

Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent f52e9828

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

+5 −5
Original line number Diff line number Diff line
@@ -66,7 +66,7 @@ MODULE_PARM_DESC(usb_xfer_mode, 




/* 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;
@@ -2885,7 +2885,7 @@ void em28xx_release_resources(struct em28xx *dev) 
	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);

};
@@ -3094,7 +3094,7 @@ static int em28xx_usb_probe(struct usb_interface *interface, 


	/* 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",
@@ -3102,7 +3102,7 @@ static int em28xx_usb_probe(struct usb_interface *interface, 
			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) {
@@ -3355,7 +3355,7 @@ err_free: 
	kfree(dev);



err:

	clear_bit(nr, &em28xx_devused);

	clear_bit(nr, em28xx_devused);



err_no_slot:

	usb_put_dev(udev);