Re: [PATCH v3 13/16] nvmet-fc: abort command if when there is binding

Hannes Reinecke
2023-12-19T11:39:53Z

On 12/18/23 16:31, Daniel Wagner wrote:
> WHen the target port has not active port binding, there is no point in
> trying to process the command as it has to fail anyway. Instead adding
> checks to all commands abort the command early.
>
Please fix up the subject: 'abort command when there is no binding'

> Signed-off-by: Daniel Wagner <dwagner@suse.de>
> ---
> drivers/nvme/target/fc.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
> index 47cecc8c72b2..663c51c9fe53 100644
> --- a/drivers/nvme/target/fc.c
> +++ b/drivers/nvme/target/fc.c
> @@ -1101,6 +1101,9 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
> int idx;
> bool needrandom = true;
>
> + if (!tgtport->pe)
> + return NULL;
> +
> assoc = kzalloc(sizeof(*assoc), GFP_KERNEL);
> if (!assoc)
> return NULL;
> @@ -2520,8 +2523,9 @@ nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,
>
> fod->req.cmd = &fod->cmdiubuf.sqe;
> fod->req.cqe = &fod->rspiubuf.cqe;
> - if (tgtport->pe)
> - fod->req.port = tgtport->pe->port;
> + if (!tgtport->pe)
> + goto transport_error;
> + fod->req.port = tgtport->pe->port;
>
> /* clear any response payload */
> memset(&fod->rspiubuf, 0, sizeof(fod->rspiubuf));

Otherwise:

Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@suse.de +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Ivo Totev, Andrew McDonald,
Werner Knoblich