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| author | James Smart <james.smart@emulex.com> | 2015-04-07 15:07:25 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Odin.com> | 2015-04-10 07:50:03 -0700 |
| commit | 6c7cf486d35e0441c81f9bb8c49e6c826028bbb6 (patch) | |
| tree | 00e6a95f7c622639208f68ba80722050885c42a5 | |
| parent | 6eae430328d23e2d6adaa649a7c0bac18e04dda8 (diff) | |
| download | linux-6c7cf486d35e0441c81f9bb8c49e6c826028bbb6.tar.gz linux-6c7cf486d35e0441c81f9bb8c49e6c826028bbb6.tar.bz2 linux-6c7cf486d35e0441c81f9bb8c49e6c826028bbb6.zip | |
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>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_bsg.c | 1 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 12 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.h | 1 |
3 files changed, 10 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 6b4cf315619e..a056666e59d9 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -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, diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index c76c2a1e41e4..48919d0e31c7 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -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; diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 4a01452415cf..e8f9381734d2 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -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 */ |