diff options
| author | James Smart <james.smart@emulex.com> | 2013-10-10 12:19:53 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-10-25 09:58:16 +0100 |
| commit | f7bc6434e20589596efbc1fc2bde6d0d78d6168c (patch) | |
| tree | dfadd9ea0c90918acfbaee9510cbb81ba70b1a87 | |
| parent | 7e660100d85af860e7ad763202fff717adcdaacd (diff) | |
| download | linux-f7bc6434e20589596efbc1fc2bde6d0d78d6168c.tar.bz2 | |
[SCSI] lpfc 8.3.43: Fix crash after xri limit is reached.
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 19 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli4.h | 1 |
2 files changed, 13 insertions, 7 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index c913e8cc3b26..443bbca9694c 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -1012,20 +1012,25 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc) break; } - /* Allocate iotag for psb->cur_iocbq. */ - iotag = lpfc_sli_next_iotag(phba, &psb->cur_iocbq); - if (iotag == 0) { + + lxri = lpfc_sli4_next_xritag(phba); + if (lxri == NO_XRI) { pci_pool_free(phba->lpfc_scsi_dma_buf_pool, - psb->data, psb->dma_handle); + psb->data, psb->dma_handle); kfree(psb); break; } - lxri = lpfc_sli4_next_xritag(phba); - if (lxri == NO_XRI) { + /* Allocate iotag for psb->cur_iocbq. */ + iotag = lpfc_sli_next_iotag(phba, &psb->cur_iocbq); + if (iotag == 0) { pci_pool_free(phba->lpfc_scsi_dma_buf_pool, - psb->data, psb->dma_handle); + psb->data, psb->dma_handle); kfree(psb); + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "3368 Failed to allocated IOTAG for" + " XRI:0x%x\n", lxri); + lpfc_sli4_free_xri(phba, lxri); break; } psb->cur_iocbq.sli4_lxritag = lxri; diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 85120b77aa0e..298c8cd1a89d 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -673,6 +673,7 @@ void lpfc_sli4_queue_unset(struct lpfc_hba *); int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t); int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *); uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *); +void lpfc_sli4_free_xri(struct lpfc_hba *, int); int lpfc_sli4_post_async_mbox(struct lpfc_hba *); int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int); struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *); |