[SQUASH ME] add error case for already registered address

RIOT-OS · Feb 24, 2015 · aafaf38 · aafaf38
1 parent 7ad309a
commit aafaf38
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/sys/include/net/ng_ipv6/nc.h b/sys/include/net/ng_ipv6/nc.h
@@ -140,6 +140,7 @@ typedef struct ng_ipv6_nc {
  * @param[in] flags         Flags for the entry
  *
  * @return  0 on success
+ * @return  -EADDRINUSE, there is already an entry with given @p ipv6_addr.
  * @return  -EFAULT, if @p ipv6_addr was NULL.
  * @return  -EINVAL, if @p l2_addr_len is greater then 8 or @p iface is
  *          KERNEL_PID_UNDEF.