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Diffstat (limited to 'drivers/scsi/libiscsi.c')
-rw-r--r--drivers/scsi/libiscsi.c19
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;
}