commit | 9ac27090f61ea6735a62b0a98c7669c833bcdc09 | [log] [tgz] |
---|---|---|
author | Keith Busch <keith.busch@intel.com> | Fri Jan 31 16:53:39 2014 -0700 |
committer | Matthew Wilcox <matthew.r.wilcox@intel.com> | Sun Feb 02 13:31:15 2014 -0500 |
tree | 1ac24bb79b089a52e162fa80b44d1a2ca0127051 | |
parent | bdfd70fde389412be60f7e8aaed5732dc26fc8ac [diff] |
NVMe: Namespace use after free on surprise removal An nvme block device may have open references when the device is removed. New commands may still be sent on the removed device, so we need to ref count the opens, return errors for new commands, and not free the namespace and nvme_dev until all references are closed. Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>