[PATCH] lpfc : Correct queue tag handling

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This patch corrects the lpfc tag handling issue identified by Hannes Reinecke
http://marc.info/?l=linux-scsi@m=119270235628850&w=2

The basis for this patch originated from Hajime Kai. Thank You Hajime.

-- james s

Signed-off-by: hajime-kai@xxxxxxxxxxxxxxxx
Signed-off-by: James Smart <James.Smart@xxxxxxxxxx>


diff -upNr a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
--- a/drivers/scsi/lpfc/lpfc_scsi.c	2007-10-19 09:09:21.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_scsi.c	2007-10-29 10:17:49.000000000 -0400
@@ -682,6 +682,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *v
 	IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
 	struct lpfc_iocbq *piocbq = &(lpfc_cmd->cur_iocbq);
 	int datadir = scsi_cmnd->sc_data_direction;
+	char tag[2];
 
 	lpfc_cmd->fcp_rsp->rspSnsLen = 0;
 	/* clear task management bits */
@@ -692,8 +693,8 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *v
 
 	memcpy(&fcp_cmnd->fcpCdb[0], scsi_cmnd->cmnd, 16);
 
-	if (scsi_cmnd->device->tagged_supported) {
-		switch (scsi_cmnd->tag) {
+	if (scsi_populate_tag_msg(scsi_cmnd, tag)) {
+		switch (tag[0]) {
 		case HEAD_OF_QUEUE_TAG:
 			fcp_cmnd->fcpCntl1 = HEAD_OF_Q;
 			break;


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