xfrm: fix gre key endianess

fl->fl_gre_key is network byte order contrary to fl->fl_icmp_*.
Make xfrm_flowi_{s|d}port return network byte order values for gre
key too.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 54b283229488..7fa5b005893e 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -806,7 +806,7 @@ __be16 xfrm_flowi_sport(struct flowi *fl)
                 port = htons(fl->fl_mh_type);
                 break;
         case IPPROTO_GRE:
-                port = htonl(fl->fl_gre_key) >> 16;
+                port = htons(ntohl(fl->fl_gre_key) >> 16);
                 break;
         default:
                 port = 0;       /*XXX*/
@@ -830,7 +830,7 @@ __be16 xfrm_flowi_dport(struct flowi *fl)
                 port = htons(fl->fl_icmp_code);
                 break;
         case IPPROTO_GRE:
-                port = htonl(fl->fl_gre_key) & 0xffff;
+                port = htons(ntohl(fl->fl_gre_key) & 0xffff);
                 break;
         default:
                 port = 0;       /*XXX*/