|
@@ -1655,7 +1655,8 @@ static int hdlcdev_open(struct net_device *dev)
|
|
|
printk("%s:hdlcdev_open(%s)\n",__FILE__,dev->name);
|
|
|
|
|
|
/* generic HDLC layer open processing */
|
|
|
- if ((rc = hdlc_open(dev)))
|
|
|
+ rc = hdlc_open(dev);
|
|
|
+ if (rc)
|
|
|
return rc;
|
|
|
|
|
|
/* arbitrate between network and tty opens */
|
|
@@ -1922,7 +1923,8 @@ static int hdlcdev_init(SLMP_INFO *info)
|
|
|
|
|
|
/* allocate and initialize network and HDLC layer objects */
|
|
|
|
|
|
- if (!(dev = alloc_hdlcdev(info))) {
|
|
|
+ dev = alloc_hdlcdev(info);
|
|
|
+ if (!dev) {
|
|
|
printk(KERN_ERR "%s:hdlc device allocation failure\n",__FILE__);
|
|
|
return -ENOMEM;
|
|
|
}
|
|
@@ -1943,7 +1945,8 @@ static int hdlcdev_init(SLMP_INFO *info)
|
|
|
hdlc->xmit = hdlcdev_xmit;
|
|
|
|
|
|
/* register objects with HDLC layer */
|
|
|
- if ((rc = register_hdlc_device(dev))) {
|
|
|
+ rc = register_hdlc_device(dev);
|
|
|
+ if (rc) {
|
|
|
printk(KERN_WARNING "%s:unable to register hdlc device\n",__FILE__);
|
|
|
free_netdev(dev);
|
|
|
return rc;
|
|
@@ -3920,7 +3923,8 @@ static void synclinkmp_cleanup(void)
|
|
|
printk("Unloading %s %s\n", driver_name, driver_version);
|
|
|
|
|
|
if (serial_driver) {
|
|
|
- if ((rc = tty_unregister_driver(serial_driver)))
|
|
|
+ rc = tty_unregister_driver(serial_driver);
|
|
|
+ if (rc)
|
|
|
printk("%s(%d) failed to unregister tty driver err=%d\n",
|
|
|
__FILE__,__LINE__,rc);
|
|
|
put_tty_driver(serial_driver);
|