[SCSI] iscsi bugfixes: pass errors from complete_pdu to caller

Must pass ISCSI_ERR values from the recv path and propogate them
upwards.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index aa20adc..33534f6 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -885,7 +885,7 @@
 			}
 			tcp_conn->in_progress = IN_PROGRESS_DATA_RECV;
 		} else if (rc) {
-			iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
+			iscsi_conn_failure(conn, rc);
 			return 0;
 		}
 	}