+int match_target_ip(struct TCP_Server_Info *server,
+ const char *share, size_t share_len,
+ bool *result)
+{
+ int rc;
+ char *target, *tip = NULL;
+ struct sockaddr tipaddr;
+
+ *result = false;
+
+ target = kzalloc(share_len + 3, GFP_KERNEL);
+ if (!target) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ scnprintf(target, share_len + 3, "\\\\%.*s", (int)share_len, share);
+
+ cifs_dbg(FYI, "%s: target name: %s\n", __func__, target + 2);
+
+ rc = dns_resolve_server_name_to_ip(target, &tip);
+ if (rc < 0)
+ goto out;
+
+ cifs_dbg(FYI, "%s: target ip: %s\n", __func__, tip);
+
+ if (!cifs_convert_address(&tipaddr, tip, strlen(tip))) {
+ cifs_dbg(VFS, "%s: failed to convert target ip address\n",
+ __func__);
+ rc = -EINVAL;
+ goto out;
+ }
+
+ *result = cifs_match_ipaddr((struct sockaddr *)&server->dstaddr,
+ &tipaddr);
+ cifs_dbg(FYI, "%s: ip addresses match: %u\n", __func__, *result);
+ rc = 0;
+
+out:
+ kfree(target);
+ kfree(tip);
+
+ return rc;
+}
+