Author: glebius
Date: Tue Nov 22 19:37:57 2011
New Revision: 227830
URL: http://svn.freebsd.org/changeset/base/227830

Log:
  Fix SIOCDIFADDR semantics: if no address is specified, then delete first one.

Modified:
  head/sys/netinet/in.c

Modified: head/sys/netinet/in.c
==============================================================================
--- head/sys/netinet/in.c       Tue Nov 22 19:31:43 2011        (r227829)
+++ head/sys/netinet/in.c       Tue Nov 22 19:37:57 2011        (r227830)
@@ -375,7 +375,7 @@ in_control(struct socket *so, u_long cmd
        switch (cmd) {
        case SIOCAIFADDR:
        case SIOCDIFADDR:
-               {
+               if (ifra->ifra_addr.sin_len == AF_INET) {
                        struct in_ifaddr *oia;
 
                        IN_IFADDR_RLOCK();
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