From 9c35bba06382a9963d0dbf6383d47db910a4d0f1 Mon Sep 17 00:00:00 2001 From: Fan Du Date: Sat, 18 Jan 2014 09:54:28 +0800 Subject: [PATCH] xfrm: Don't prohibit AH from using ESN feature Clear checking when user try to use ESN through netlink keymgr for AH. As only ESP and AH support ESN feature according to RFC. Signed-off-by: Fan Du Signed-off-by: Steffen Klassert --- net/xfrm/xfrm_user.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 1ae3ec7c18b0d..ade9988f6e33a 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -142,7 +142,8 @@ static inline int verify_replay(struct xfrm_usersa_info *p, if (!rt) return 0; - if (p->id.proto != IPPROTO_ESP) + /* As only ESP and AH support ESN feature. */ + if ((p->id.proto != IPPROTO_ESP) && (p->id.proto != IPPROTO_AH)) return -EINVAL; if (p->replay_window != 0) -- 2.39.5