diff options
Diffstat (limited to 'drivers/usb/core/devio.c')
| -rw-r--r-- | drivers/usb/core/devio.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index d12bc5e84a1a..56c082f34927 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -76,6 +76,8 @@ MODULE_PARM_DESC (usbfs_snoop, "true to log all usbfs traffic"); dev_info( dev , format , ## arg); \ } while (0) +#define USB_DEVICE_DEV MKDEV(USB_DEVICE_MAJOR, 0) + #define MAX_USBFS_BUFFER_SIZE 16384 @@ -1530,18 +1532,17 @@ int __init usbdev_init(void) { int retval; - retval = register_chrdev_region(MKDEV(USB_DEVICE_MAJOR, 0), - USB_DEVICE_MAX, "usb_device"); + retval = register_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX, + "usb_device"); if (retval) { err("unable to register minors for usb_device"); goto out; } cdev_init(&usb_device_cdev, &usbfs_device_file_operations); - retval = cdev_add(&usb_device_cdev, - MKDEV(USB_DEVICE_MAJOR, 0), USB_DEVICE_MAX); + retval = cdev_add(&usb_device_cdev, USB_DEVICE_DEV, USB_DEVICE_MAX); if (retval) { err("unable to get usb_device major %d", USB_DEVICE_MAJOR); - unregister_chrdev_region(USB_DEVICE_MAJOR, USB_DEVICE_MAX); + unregister_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX); goto out; } usb_device_class = class_create(THIS_MODULE, "usb_device"); @@ -1550,7 +1551,7 @@ int __init usbdev_init(void) retval = PTR_ERR(usb_device_class); usb_device_class = NULL; cdev_del(&usb_device_cdev); - unregister_chrdev_region(USB_DEVICE_MAJOR, USB_DEVICE_MAX); + unregister_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX); } out: @@ -1561,6 +1562,6 @@ void usbdev_cleanup(void) { class_destroy(usb_device_class); cdev_del(&usb_device_cdev); - unregister_chrdev_region(USB_DEVICE_MAJOR, USB_DEVICE_MAX); + unregister_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX); } |