diff --git a/[refs] b/[refs]
index 6f6b0c8f24ce..bef56455b30a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3c420f27b7b2340a81989c8d9ed619e545dd2ad7
+refs/heads/master: 3f612132c7164d5cc9ed677a2fdf8950222d2170
diff --git a/trunk/drivers/isdn/gigaset/usb-gigaset.c b/trunk/drivers/isdn/gigaset/usb-gigaset.c
index fba61f670527..d78385166099 100644
--- a/trunk/drivers/isdn/gigaset/usb-gigaset.c
+++ b/trunk/drivers/isdn/gigaset/usb-gigaset.c
@@ -278,17 +278,17 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
 static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
 				  unsigned new_state)
 {
-	return -EINVAL;
+	return -ENOTTY;
 }
 
 static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
 {
-	return -EINVAL;
+	return -ENOTTY;
 }
 
 static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
 {
-	return -EINVAL;
+	return -ENOTTY;
 }
 #endif
 
@@ -577,7 +577,7 @@ static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6])
 	return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x19, 0x41,
 			       0, 0, &buf, 6, 2000);
 #else
-	return -EINVAL;
+	return -ENOTTY;
 #endif
 }