diff --git a/[refs] b/[refs]
index 97e0c1a046f0..1c25cc09514e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6be06e7273c4682a15ca1f4adf1aeae510823530
+refs/heads/master: b1622e0ac1b18632cff1e9af807fcdcb2397071b
diff --git a/trunk/drivers/tty/serial/jsm/jsm_tty.c b/trunk/drivers/tty/serial/jsm/jsm_tty.c
index 00f250ae14c5..27bb75070c96 100644
--- a/trunk/drivers/tty/serial/jsm/jsm_tty.c
+++ b/trunk/drivers/tty/serial/jsm/jsm_tty.c
@@ -596,12 +596,6 @@ void jsm_input(struct jsm_channel *ch)
 
 	jsm_dbg(READ, &ch->ch_bd->pci_dev, "start 2\n");
 
-	if (data_len <= 0) {
-		spin_unlock_irqrestore(&ch->ch_lock, lock_flags);
-		jsm_dbg(READ, &ch->ch_bd->pci_dev, "jsm_input 1\n");
-		return;
-	}
-
 	len = tty_buffer_request_room(port, data_len);
 	n = len;