]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
nvme_fc: remove extra controller reference taken on reconnect
authorJames Smart <jsmart2021@gmail.com>
Tue, 16 May 2017 00:10:22 +0000 (17:10 -0700)
committerChristoph Hellwig <hch@lst.de>
Mon, 22 May 2017 18:55:29 +0000 (20:55 +0200)
fix extra controller reference taken on reconnect by moving
reference to initial controller create

Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
drivers/nvme/host/fc.c

index 775869c69df6be1e54c11da8d779d8950174b95e..14a009e43aa52f3bf54779899d4974e7ce5afa60 100644 (file)
@@ -2395,8 +2395,6 @@ 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);
@@ -2793,7 +2791,6 @@ 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,
@@ -2809,6 +2806,8 @@ 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);