diff options
| -rw-r--r-- | drivers/uio/uio.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 1e4ade78ed84..e77d5e7d5f64 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -1057,6 +1057,11 @@ int __uio_register_device(struct module *owner, err_request_irq: uio_dev_del_attributes(idev); err_uio_dev_add_attributes: + mutex_lock(&idev->info_lock); + idev->info = NULL; + mutex_unlock(&idev->info_lock); + wake_up_interruptible(&idev->wait); + kill_fasync(&idev->async_queue, SIGIO, POLL_HUP); device_del(&idev->dev); err_device_create: uio_free_minor(idev->minor); |