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nvmet: cancel fatal error and flush async work before free controller

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[ Upstream commit 06406d81a2d7cfb8abcc4fa6cdfeb8e5897007c5 ]

Make sure they are not running and we can free the controller
safely.

Signed-off-by: Roy Shterman <roys@lightbitslabs.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sagi Grimberg 2017-01-01 13:41:56 +02:00 committed by Greg Kroah-Hartman
parent 6bd89953fb
commit 3976dd677e
1 changed files with 3 additions and 0 deletions
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3
drivers/nvme/target/core.c
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@ -816,6 +816,9 @@ static void nvmet_ctrl_free(struct kref *ref)
list_del(&ctrl->subsys_entry);
mutex_unlock(&subsys->lock);
flush_work(&ctrl->async_event_work);
cancel_work_sync(&ctrl->fatal_err_work);
ida_simple_remove(&subsys->cntlid_ida, ctrl->cntlid);
nvmet_subsys_put(subsys);