sunrpc: Use helper to set v4 mapped addr in ip_map_parse

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 8b378f91f255..560677d187f1 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -220,10 +220,9 @@ static int ip_map_parse(struct cache_detail *cd,
         switch (address.sa.sa_family) {
         case AF_INET:
                 /* Form a mapped IPv4 address in sin6 */
-                memset(&sin6, 0, sizeof(sin6));
                 sin6.sin6_family = AF_INET6;
-                sin6.sin6_addr.s6_addr32[2] = htonl(0xffff);
-                sin6.sin6_addr.s6_addr32[3] = address.s4.sin_addr.s_addr;
+                ipv6_addr_set_v4mapped(address.s4.sin_addr.s_addr,
+                                &sin6.sin6_addr);
                 break;
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
         case AF_INET6: