diff options
Diffstat (limited to 'drivers/scsi/libiscsi.c')
| -rw-r--r-- | drivers/scsi/libiscsi.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index e72b4ad47d35..11bc3e1fbd5a 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -257,9 +257,11 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task) itt_t itt; int rc; - rc = conn->session->tt->alloc_pdu(task, ISCSI_OP_SCSI_CMD); - if (rc) - return rc; + if (conn->session->tt->alloc_pdu) { + rc = conn->session->tt->alloc_pdu(task, ISCSI_OP_SCSI_CMD); + if (rc) + return rc; + } hdr = (struct iscsi_cmd *) task->hdr; itt = hdr->itt; memset(hdr, 0, sizeof(*hdr)); @@ -566,11 +568,14 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, } else task->data_count = 0; - if (conn->session->tt->alloc_pdu(task, hdr->opcode)) { - iscsi_conn_printk(KERN_ERR, conn, "Could not allocate " - "pdu for mgmt task.\n"); - goto requeue_task; + if (conn->session->tt->alloc_pdu) { + if (conn->session->tt->alloc_pdu(task, hdr->opcode)) { + iscsi_conn_printk(KERN_ERR, conn, "Could not allocate " + "pdu for mgmt task.\n"); + goto requeue_task; + } } + itt = task->hdr->itt; task->hdr_len = sizeof(struct iscsi_hdr); memcpy(task->hdr, hdr, sizeof(struct iscsi_hdr)); |