From: Christoph Hellwig <hch@lst.de>
Date: Tue, 3 Oct 2017 12:48:41 +0200
Subject: [PATCH] scsi: scsi_transport_sas: check reply payload length instead
Git-commit: 07f5d563c6e52068cbfcd97ed79f5bb1b1d33067
Patch-mainline: v4.15-rc1
References: bsc#1104967,FATE#325924
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>
Acked-by: Hannes Reinecke <hare@suse.com>
---
drivers/scsi/scsi_transport_sas.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 319dff970237..736a1f4f9676 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -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;
--
2.16.4