[PATCH] ibmvfc: byteswap scsi_id, wwpn, and node_name prior to logging

[PATCH] ibmvfc: byteswap scsi_id, wwpn, and node_name prior to logging

[Tyrel Datwyler]

When logging async events the scsi_id, wwpn, and node_name values
are used directly from the CRQ struct which are of type __be64. This
can be confusing to someone looking through the log on a LE system.
Instead byteswap these values to host endian prior to logging.

Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
---
 drivers/scsi/ibmvscsi/ibmvfc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 6aa317c..fc523c3 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2636,7 +2636,8 @@ static void ibmvfc_handle_async(struct ibmvfc_async_crq *crq,
 	struct ibmvfc_target *tgt;
 
 	ibmvfc_log(vhost, desc->log_level, "%s event received. scsi_id: %llx, wwpn: %llx,"
-		   " node_name: %llx%s\n", desc->desc, crq->scsi_id, crq->wwpn, crq->node_name,
+		   " node_name: %llx%s\n", desc->desc, be64_to_cpu(crq->scsi_id),
+		   be64_to_cpu(crq->wwpn), be64_to_cpu(crq->node_name),
 		   ibmvfc_get_link_state(crq->link_state));
 
 	switch (be64_to_cpu(crq->event)) {
-- 
2.5.0

Re: [PATCH] ibmvfc: byteswap scsi_id, wwpn, and node_name prior to logging

[Johannes Thumshirn]

On Thu, Feb 11, 2016 at 04:24:35PM -0600, Tyrel Datwyler wrote:
> When logging async events the scsi_id, wwpn, and node_name values
> are used directly from the CRQ struct which are of type __be64. This
> can be confusing to someone looking through the log on a LE system.
> Instead byteswap these values to host endian prior to logging.
> 
> Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>

-- 
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jthumshirn@suse.de                                +49 911 74053 689
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Re: [PATCH] ibmvfc: byteswap scsi_id, wwpn, and node_name prior to logging

[Martin K. Petersen]

>>>>> "Tyrel" == Tyrel Datwyler <tyreld@linux.vnet.ibm.com> writes:

Tyrel> When logging async events the scsi_id, wwpn, and node_name values
Tyrel> are used directly from the CRQ struct which are of type
Tyrel> __be64. This can be confusing to someone looking through the log
Tyrel> on a LE system.  Instead byteswap these values to host endian
Tyrel> prior to logging.

Applied to 4.6/scsi-queue.

-- 
Martin K. Petersen	Oracle Linux Engineering