diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 88477d1..50f3ffd 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2671,7 +2671,7 @@
 }
 
 
-static int gsmtty_ioctl(struct tty_struct *tty, struct file *filp,
+static int gsmtty_ioctl(struct tty_struct *tty,
 			unsigned int cmd, unsigned long arg)
 {
 	return -ENOIOCTLCMD;