[PATCH v2 08/10] nvme_fc: remove extra controller reference taken on reconnect
James Smart
jsmart2021 at gmail.com
Mon May 15 17:10:22 PDT 2017
fix extra controller reference taken on reconnect by moving
reference to initial controller create
Signed-off-by: James Smart <james.smart at broadcom.com>
Reviewed-by: Hannes Reinecke <hare at suse.com>
---
v2: pre review: moved location of where ref taken
---
drivers/nvme/host/fc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 8a721aa11387..78973407430a 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2398,8 +2398,6 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
ctrl->ctrl.opts->nr_reconnects = 0;
- kref_get(&ctrl->ctrl.kref);
-
if (ctrl->queue_count > 1) {
nvme_start_queues(&ctrl->ctrl);
nvme_queue_scan(&ctrl->ctrl);
@@ -2800,7 +2798,6 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
ctrl->ctrl.opts = NULL;
/* initiate nvme ctrl ref counting teardown */
nvme_uninit_ctrl(&ctrl->ctrl);
- nvme_put_ctrl(&ctrl->ctrl);
/* as we're past the point where we transition to the ref
* counting teardown path, if we return a bad pointer here,
@@ -2816,6 +2813,8 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
return ERR_PTR(ret);
}
+ kref_get(&ctrl->ctrl.kref);
+
dev_info(ctrl->ctrl.device,
"NVME-FC{%d}: new ctrl: NQN \"%s\"\n",
ctrl->cnum, ctrl->ctrl.opts->subsysnqn);
--
2.11.0
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