- for (;;) {
- if (nalloc * sizeof(*ifr) > PAGE_SIZE) {
- toobig = 1;
- nalloc = PAGE_SIZE / sizeof(*ifr);
- CWARN("Too many interfaces: only enumerating "
- "first %d\n", nalloc);
- }
-
- LIBCFS_ALLOC(ifr, nalloc * sizeof(*ifr));
- if (ifr == NULL) {
- CERROR("ENOMEM enumerating up to %d interfaces\n",
- nalloc);
- rc = -ENOMEM;
- goto out0;
- }
-
- ifc.ifc_buf = (char *)ifr;
- ifc.ifc_len = nalloc * sizeof(*ifr);
-
- rc = lnet_sock_ioctl(SIOCGIFCONF, (unsigned long)&ifc);
- if (rc < 0) {
- CERROR("Error %d enumerating interfaces\n", rc);
- goto out1;
- }