diff options
Diffstat (limited to 'drivers/hid/hid-roccat.c')
| -rw-r--r-- | drivers/hid/hid-roccat.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c index b59b3df..65c4ccfc 100644 --- a/drivers/hid/hid-roccat.c +++ b/drivers/hid/hid-roccat.c @@ -366,7 +366,7 @@ void roccat_disconnect(int minor) mutex_lock(&devices_lock); devices[minor] = NULL; mutex_unlock(&devices_lock); - + if (device->open) { hid_hw_close(device->hid); wake_up_interruptible(&device->wait); @@ -426,13 +426,23 @@ static int __init roccat_init(void) if (retval < 0) { pr_warn("can't get major number\n"); - return retval; + goto error; } cdev_init(&roccat_cdev, &roccat_ops); - cdev_add(&roccat_cdev, dev_id, ROCCAT_MAX_DEVICES); + retval = cdev_add(&roccat_cdev, dev_id, ROCCAT_MAX_DEVICES); + if (retval < 0) { + pr_warn("cannot add cdev\n"); + goto cleanup_alloc_chrdev_region; + } return 0; + + + cleanup_alloc_chrdev_region: + unregister_chrdev_region(dev_id, ROCCAT_MAX_DEVICES); + error: + return retval; } static void __exit roccat_exit(void) |