Re: [PATCH AUTOSEL 5.10 13/16] nvmet-fc: do not tack refs on tgtports from assoc

From: Pavel Machek
Date: Sun Feb 18 2024 - 14:09:04 EST


Hi!

> From: Daniel Wagner <dwagner@xxxxxxx>
>
> [ Upstream commit 1c110588dd95d21782397ff3cbaa55820b4e1fad ]
>
> 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.

I don't see this one queued for 6.1 or 6.6. What went wrong here?

Best regards,
Pavel

> +++ b/drivers/nvme/target/fc.c
> @@ -1110,12 +1110,9 @@ 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;
> @@ -1145,8 +1142,6 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
>
> return assoc;
>
> -out_put:
> - nvmet_fc_tgtport_put(tgtport);
> out_ida:
> ida_simple_remove(&tgtport->assoc_cnt, idx);
> out_free_assoc:

--
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