diff options
Diffstat (limited to 'drivers/scsi/libiscsi.c')
| -rw-r--r-- | drivers/scsi/libiscsi.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 1d7a8b7e8a7..a7ee4bb4070 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1280,6 +1280,9 @@ static int iscsi_xmit_task(struct iscsi_conn *conn) struct iscsi_task *task = conn->task; int rc; + if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) + return -ENODATA; + __iscsi_get_task(task); spin_unlock_bh(&conn->session->lock); rc = conn->session->tt->xmit_task(task); @@ -1329,7 +1332,7 @@ static int iscsi_data_xmit(struct iscsi_conn *conn) int rc = 0; spin_lock_bh(&conn->session->lock); - if (unlikely(conn->suspend_tx)) { + if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) { ISCSI_DBG_SESSION(conn->session, "Tx suspended!\n"); spin_unlock_bh(&conn->session->lock); return -ENODATA; @@ -1338,7 +1341,7 @@ static int iscsi_data_xmit(struct iscsi_conn *conn) if (conn->task) { rc = iscsi_xmit_task(conn); if (rc) - goto again; + goto done; } /* @@ -1358,7 +1361,7 @@ check_mgmt: } rc = iscsi_xmit_task(conn); if (rc) - goto again; + goto done; } /* process pending command queue */ @@ -1379,14 +1382,14 @@ check_mgmt: list_add_tail(&conn->task->running, &conn->cmdqueue); conn->task = NULL; - goto again; + goto done; } else fail_scsi_task(conn->task, DID_ABORT); continue; } rc = iscsi_xmit_task(conn); if (rc) - goto again; + goto done; /* * we could continuously get new task requests so * we need to check the mgmt queue for nops that need to @@ -1412,16 +1415,14 @@ check_mgmt: conn->task->state = ISCSI_TASK_RUNNING; rc = iscsi_xmit_task(conn); if (rc) - goto again; + goto done; if (!list_empty(&conn->mgmtqueue)) goto check_mgmt; } spin_unlock_bh(&conn->session->lock); return -ENODATA; -again: - if (unlikely(conn->suspend_tx)) - rc = -ENODATA; +done: spin_unlock_bh(&conn->session->lock); return rc; } |