diff options
| author | James Smart <jsmart2021@gmail.com> | 2017-05-16 01:20:38 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-05-17 04:17:28 +0300 |
| commit | 845d9e8df2fa879e6494e786f290e1fd5560ac8c (patch) | |
| tree | 233bffeef163127322ed046af93bb173ef75ed1e /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | dd6e1f71b785a6ac2511e2ddb86315f292873e59 (diff) | |
| download | linux-845d9e8df2fa879e6494e786f290e1fd5560ac8c.tar.xz | |
scsi: lpfc: Fix used-RPI accounting problem.
With 255 vports created a link trasition can casue a crash.
When going through discovery after a link bounce the driver is using
rpis before the cmd FCOE_POST_HDR_TEMPLATES completes. By doing that the
next rpi bumps the rpi range out of the boundary.
The fix it to increment the next_rpi only when the
FCOE_POST_HDR_TEMPLATE succeeds.
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 2a4fc00dfa9b..e2d25ae5ba45 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -17137,6 +17137,14 @@ lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page) "status x%x add_status x%x, mbx status x%x\n", shdr_status, shdr_add_status, rc); rc = -ENXIO; + } else { + /* + * The next_rpi stores the next logical module-64 rpi value used + * to post physical rpis in subsequent rpi postings. + */ + spin_lock_irq(&phba->hbalock); + phba->sli4_hba.next_rpi = rpi_page->next_rpi; + spin_unlock_irq(&phba->hbalock); } return rc; } |