| commit | 1f4195f9e78f452cf042844bc5a14174347185a9 | [log] [tgz] |
|---|---|---|
| author | Mikulas Patocka <mpatocka@redhat.com> | Thu Apr 25 12:07:54 2019 -0400 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Sat May 25 18:26:54 2019 +0200 |
| tree | ea6451fbfd94dabb751ea2eaa3d87687448d5934 | |
| parent | d0a3f25d63855d37d453ca009483aeae08b1c1dc [diff] |
dm delay: fix a crash when invalid device is specified commit 81bc6d150ace6250503b825d9d0c10f7bbd24095 upstream. When the target line contains an invalid device, delay_ctr() will call delay_dtr() with NULL workqueue. Attempting to destroy the NULL workqueue causes a crash. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>