Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier ret;
expression e1,e2;
@@
if (ret < 0)
 { ... return ret; }
 ... when != ret = e1
     when forall
*if(...)
 {
  ... when != ret = e2
* return ret;
 }
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
        sprintf(hwname, "usb#%d", kingsun->usbdev->devnum);
        kingsun->irlap = irlap_open(netdev, &kingsun->qos, hwname);
        if (!kingsun->irlap) {
+               err = -ENOMEM;
                dev_err(&kingsun->usbdev->dev, "irlap_open failed\n");
                goto free_mem;
        }
 
        sprintf(hwname, "usb#%d", kingsun->usbdev->devnum);
        kingsun->irlap = irlap_open(netdev, &kingsun->qos, hwname);
        if (!kingsun->irlap) {
+               err = -ENOMEM;
                dev_err(&kingsun->usbdev->dev, "irlap_open failed\n");
                goto free_mem;
        }