+/* Checks if supplied name is IP address
+ * returns:
+ * 1 - name is IP
+ * 0 - name is not IP
+ */
+static int is_ip(const char *name)
+{
+ int rc;
+ struct sockaddr_in sin_server;
+ struct sockaddr_in6 sin_server6;
+
+ rc = cifs_inet_pton(AF_INET, name,
+ &sin_server.sin_addr.s_addr);
+
+ if (rc <= 0) {
+ /* not ipv4 address, try ipv6 */
+ rc = cifs_inet_pton(AF_INET6, name,
+ &sin_server6.sin6_addr.in6_u);
+ if (rc > 0)
+ return 1;
+ } else {
+ return 1;
+ }
+ /* we failed translating address */
+ return 0;
+}