1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/isdn/hisax/isac.c b/drivers/isdn/hisax/isac.c
index 565b7892c267..282f349408bc 100644
--- a/drivers/isdn/hisax/isac.c
+++ b/drivers/isdn/hisax/isac.c
@@ -609,7 +609,7 @@ dbusy_timer_handler(struct IsdnCardState *cs)
                                 debugl1(cs, "D-Channel Busy no skb");
                         }
                         cs->writeisac(cs, ISAC_CMDR, 0x01); /* Transmitter reset */
-                        cs->irq_func(cs->irq, cs, NULL);
+                        cs->irq_func(cs->irq, cs);
                 }
         }
 }