[PATCH] scsi: ibmvfc: Stop using scsi_cmnd.tag

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Use scsi_cmd_to_rq(scsi_cmnd)->tag in preference to scsi_cmnd.tag.

Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
---
This patch was missed in a series to remove scsi_cmnd.tag, which caused
a build error on Martin's SCSI staging tree:
https://lore.kernel.org/linux-scsi/yq14kbppa42.fsf@xxxxxxxxxxxxxxxxxxxx/T/#mb47909f38f35837686734369600051b278d124af

I note that scsi_cmnd.tag is/was an unsigned char, and I could not find
anywhere in the driver which limits scsi_host.can_queue to 255, so using
scsi_cmnd.tag looks odd to me.

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 7fa5e64e38c3..ba7150cb226a 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -1956,7 +1956,7 @@ static int ibmvfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd)
 	memcpy(iu->cdb, cmnd->cmnd, cmnd->cmd_len);
 
 	if (cmnd->flags & SCMD_TAGGED) {
-		vfc_cmd->task_tag = cpu_to_be64(cmnd->tag);
+		vfc_cmd->task_tag = cpu_to_be64(scsi_cmd_to_rq(cmnd)->tag);
 		iu->pri_task_attr = IBMVFC_SIMPLE_TASK;
 	}
 
-- 
2.17.1




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