[PATCH v5 08/12] nvmet-fc: do not tack refs on tgtports from assoc

From: Daniel Wagner
Date: Wed Jan 31 2024 - 04:00:14 EST


The association life time is tied to the life time of the target port.
That means we should not take extra a refcount when creating a
association.

Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
---
drivers/nvme/target/fc.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 849d9b17c60a..fe3246024836 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -1107,12 +1107,9 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
if (idx < 0)
goto out_free_assoc;

- if (!nvmet_fc_tgtport_get(tgtport))
- goto out_ida;
-
assoc->hostport = nvmet_fc_alloc_hostport(tgtport, hosthandle);
if (IS_ERR(assoc->hostport))
- goto out_put;
+ goto out_ida;

assoc->tgtport = tgtport;
assoc->a_id = idx;
@@ -1142,8 +1139,6 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)

return assoc;

-out_put:
- nvmet_fc_tgtport_put(tgtport);
out_ida:
ida_free(&tgtport->assoc_cnt, idx);
out_free_assoc:
@@ -1180,7 +1175,6 @@ nvmet_fc_target_assoc_free(struct kref *ref)
dev_info(tgtport->dev,
"{%d:%d} Association freed\n",
tgtport->fc_target_port.port_num, assoc->a_id);
- nvmet_fc_tgtport_put(tgtport);
kfree(assoc);
}

--
2.43.0