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lpfc: Fix OS crash when running loopback test in applications 

Signed-off-by: Dick Kennedy <dick.kennedy@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
James Smart 2015-04-07 15:07:25 -04:00 committed by James Bottomley
parent 6eae430328
commit 6c7cf486d3
3 changed files with 10 additions and 4 deletions
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1
drivers/scsi/lpfc/lpfc_bsg.c
View File

@ -3194,6 +3194,7 @@ lpfc_bsg_diag_loopback_run(struct fc_bsg_job *job)
cmd->unsli3.rcvsli3.ox_id = 0xffff;
}
cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
cmdiocbq->iocb_flag |= LPFC_IO_LOOPBACK;
cmdiocbq->vport = phba->pport;
cmdiocbq->iocb_cmpl = NULL;
iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq,

12
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -918,12 +918,16 @@ __lpfc_sli_get_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq)
lpfc_cmd = (struct lpfc_scsi_buf *) piocbq->context1;
ndlp = lpfc_cmd->rdata->pnode;
} else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) &&
!(piocbq->iocb_flag & LPFC_IO_LIBDFC))
!(piocbq->iocb_flag & LPFC_IO_LIBDFC)) {
ndlp = piocbq->context_un.ndlp;
else if (piocbq->iocb_flag & LPFC_IO_LIBDFC)
ndlp = piocbq->context_un.ndlp;
else
} else if (piocbq->iocb_flag & LPFC_IO_LIBDFC) {
if (piocbq->iocb_flag & LPFC_IO_LOOPBACK)
ndlp = NULL;
else
ndlp = piocbq->context_un.ndlp;
} else {
ndlp = piocbq->context1;
}
list_remove_head(lpfc_sgl_list, sglq, struct lpfc_sglq, list);
start_sglq = sglq;

1
drivers/scsi/lpfc/lpfc_sli.h
View File

@ -80,6 +80,7 @@ struct lpfc_iocbq {
#define LPFC_IO_OAS 0x10000 /* OAS FCP IO */
#define LPFC_IO_FOF 0x20000 /* FOF FCP IO */
#define LPFC_IO_LOOPBACK 0x40000 /* Loopback IO */
uint32_t drvrTimeout; /* driver timeout in seconds */
uint32_t fcp_wqidx; /* index to FCP work queue */