diff --git a/drivers/ipack/devices/ipoctal.c b/drivers/ipack/devices/ipoctal.c
index 9c2a4b5d30cfc0c3d7ba07ee15eccd7668e179d6..621f7bbe6223bbc796799d7ba2d357da6c99820e 100644
--- a/drivers/ipack/devices/ipoctal.c
+++ b/drivers/ipack/devices/ipoctal.c
@@ -266,7 +266,6 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
 	int res;
 	int i;
 	struct tty_driver *tty;
-	char name[20];
 	struct ipoctal_channel *channel;
 	struct ipack_region *region;
 	void __iomem *addr;
@@ -357,8 +356,11 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
 	/* Fill struct tty_driver with ipoctal data */
 	tty->owner = THIS_MODULE;
 	tty->driver_name = KBUILD_MODNAME;
-	sprintf(name, KBUILD_MODNAME ".%d.%d.", bus_nr, slot);
-	tty->name = name;
+	tty->name = kasprintf(GFP_KERNEL, KBUILD_MODNAME ".%d.%d.", bus_nr, slot);
+	if (!tty->name) {
+		res = -ENOMEM;
+		goto err_put_driver;
+	}
 	tty->major = 0;
 
 	tty->minor_start = 0;
@@ -374,8 +376,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
 	res = tty_register_driver(tty);
 	if (res) {
 		dev_err(&ipoctal->dev->dev, "Can't register tty driver.\n");
-		put_tty_driver(tty);
-		return res;
+		goto err_free_name;
 	}
 
 	/* Save struct tty_driver for use it when uninstalling the device */
@@ -412,6 +413,13 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
 				       ipoctal_irq_handler, ipoctal);
 
 	return 0;
+
+err_free_name:
+	kfree(tty->name);
+err_put_driver:
+	put_tty_driver(tty);
+
+	return res;
 }
 
 static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
@@ -700,6 +708,7 @@ static void __ipoctal_remove(struct ipoctal *ipoctal)
 	}
 
 	tty_unregister_driver(ipoctal->tty_drv);
+	kfree(ipoctal->tty_drv->name);
 	put_tty_driver(ipoctal->tty_drv);
 	kfree(ipoctal);
 }