diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 9fd19db045fb..95ebc5129895 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -2117,7 +2117,7 @@ static int gigaset_initbcshw(struct bc_state *bcs)
 		return 0;
 	}
 	tasklet_init(&ubc->sent_tasklet,
-		     &write_iso_tasklet, (unsigned long) bcs);
+		     write_iso_tasklet, (unsigned long) bcs);
 
 	spin_lock_init(&ubc->isoinlock);
 	for (i = 0; i < BAS_INURBS; ++i)
@@ -2138,7 +2138,7 @@ static int gigaset_initbcshw(struct bc_state *bcs)
 	ubc->shared0s = 0;
 	ubc->stolen0s = 0;
 	tasklet_init(&ubc->rcvd_tasklet,
-		     &read_iso_tasklet, (unsigned long) bcs);
+		     read_iso_tasklet, (unsigned long) bcs);
 	return 1;
 }
 
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index c438cfcb7c6d..82ed1cd14ff5 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -727,7 +727,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	cs->ev_tail = 0;
 	cs->ev_head = 0;
 
-	tasklet_init(&cs->event_tasklet, &gigaset_handle_event,
+	tasklet_init(&cs->event_tasklet, gigaset_handle_event,
 		     (unsigned long) cs);
 	cs->commands_pending = 0;
 	cs->cur_at_seq = 0;
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 577809c03aed..d2260b0055fc 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -584,7 +584,7 @@ void gigaset_if_init(struct cardstate *cs)
 	if (!drv->have_tty)
 		return;
 
-	tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs);
+	tasklet_init(&cs->if_wake_tasklet, if_wake, (unsigned long) cs);
 
 	mutex_lock(&cs->mutex);
 	cs->tty_dev = tty_register_device(drv->tty, cs->minor_index, NULL);
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index ac3409ea5d99..168d585d64d8 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -434,7 +434,7 @@ static int gigaset_initcshw(struct cardstate *cs)
 	dev_set_drvdata(&cs->hw.ser->dev.dev, cs);
 
 	tasklet_init(&cs->write_tasklet,
-		     &gigaset_modem_fill, (unsigned long) cs);
+		     gigaset_modem_fill, (unsigned long) cs);
 	return 1;
 }
 
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index f56b2a83793e..3ab1daeb276b 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -614,7 +614,7 @@ static int gigaset_initcshw(struct cardstate *cs)
 	ucs->bulk_out_urb = NULL;
 	ucs->read_urb = NULL;
 	tasklet_init(&cs->write_tasklet,
-		     &gigaset_modem_fill, (unsigned long) cs);
+		     gigaset_modem_fill, (unsigned long) cs);
 
 	return 1;
 }