| commit | 221a1f4ac12d2ab46246c160b2e00d1b1160d5d9 | [log] [tgz] |
|---|---|---|
| author | Liu Jian <liujian56@huawei.com> | Wed Jan 23 06:45:38 2019 +0800 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Thu Jan 31 16:36:52 2019 +0100 |
| tree | d2f2662d31635d9cc9f999fb48f4a27e93d21879 | |
| parent | 1a392b3de7c5747506b38fc14b2e79977d3c7770 [diff] |
driver: uio: fix possible use-after-free in __uio_register_device
In uio_dev_add_attributes() error handing case, idev is used after
device_unregister(), in which 'idev' has been released, touch idev cause
use-after-free.
Fixes: a93e7b331568 ("uio: Prevent device destruction while fds are open")
Signed-off-by: Liu Jian <liujian56@huawei.com>
Reviewed-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>