urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (urb == 0) {
+ if (urb == NULL) {
dev_err(line6->ifcdev, "Out of memory\n");
return -ENOMEM;
}
transfer_buffer = kmalloc(length, GFP_ATOMIC);
- if (transfer_buffer == 0) {
+ if (transfer_buffer == NULL) {
usb_free_urb(urb);
dev_err(line6->ifcdev, "Out of memory\n");
return -ENOMEM;