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scsi: scsi_transport_sas: check reply payload length instead of bidi request 

As a user of bsg-lib the SAS transport should not poke into request
internals but use the bsg_job fields instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig 2017-10-03 12:48:41 +02:00 committed by Martin K. Petersen
parent 67ec299bb5
commit 07f5d563c6
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/scsi_transport_sas.c
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@ -177,7 +177,7 @@ static int sas_smp_dispatch(struct bsg_job *job)
if (!scsi_is_host_device(job->dev))
rphy = dev_to_rphy(job->dev);
if (!job->req->next_rq) {
if (!job->reply_payload.payload_len) {
dev_warn(job->dev, "space for a smp response is missing\n");
bsg_job_done(job, -EINVAL, 0);
return 0;