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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 <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Fan Du 2014-01-18 09:54:28 +08:00 committed by Steffen Klassert
parent 8d6da6f325
commit 01714109ea
1 changed files with 2 additions and 1 deletions
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3
net/xfrm/xfrm_user.c
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@ -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)