4.9-stable review patch. If anyone has any objections, please let me know.
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From: Sagi Grimberg sagi@grimberg.me
[ 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 --- drivers/nvme/target/core.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -816,6 +816,9 @@ static void nvmet_ctrl_free(struct kref 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);