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[SCSI] lpfc : Correct queue tag handling
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. Signed-off-by: hajime-kai@soft.fujitsu.com Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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1 changed files with 3 additions and 2 deletions
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@ -682,6 +682,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
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IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
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struct lpfc_iocbq *piocbq = &(lpfc_cmd->cur_iocbq);
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int datadir = scsi_cmnd->sc_data_direction;
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char tag[2];
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lpfc_cmd->fcp_rsp->rspSnsLen = 0;
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/* clear task management bits */
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@ -692,8 +693,8 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
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memcpy(&fcp_cmnd->fcpCdb[0], scsi_cmnd->cmnd, 16);
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if (scsi_cmnd->device->tagged_supported) {
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switch (scsi_cmnd->tag) {
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if (scsi_populate_tag_msg(scsi_cmnd, tag)) {
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switch (tag[0]) {
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case HEAD_OF_QUEUE_TAG:
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fcp_cmnd->fcpCntl1 = HEAD_OF_Q;
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break;
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