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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-01-14 17:35:15 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-01-15 11:46:20 -0200
commitc3aed262186841bf01feb9603885671ea567ebd9 (patch)
tree0d6b01e363dcca48460d259b6d567b4e248c42d5 /drivers/media
parentf52e9828d5f3001f11981d852dc9cbd3c8c5debe (diff)
downloadlinux-c3aed262186841bf01feb9603885671ea567ebd9.tar.bz2
[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 <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/usb/em28xx/em28xx-cards.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 6318e459744e..4d97a76cc3b0 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -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);