- rc = replace_file("/etc/resolv.conf", buf, len);
- if (rc) {
- pb_log("error replacing resolv.conf: %s\n", strerror(errno));
- return;
+ if (modified) {
+ rc = replace_file("/etc/resolv.conf", buf, len);
+ if (rc)
+ pb_log("error replacing resolv.conf: %s\n",
+ strerror(errno));