diff options
| author | Ingo Molnar <mingo@kernel.org> | 2018-03-29 16:03:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-03-29 16:03:48 +0200 |
| commit | 2d074918fb1568f398777343ff9a28049fb86337 (patch) | |
| tree | 84277c1471f6d575a9515d42a53345666addabc8 /net/xfrm/xfrm_user.c | |
| parent | 78282bec4b4a02a13b87d01fbe529396d37db926 (diff) | |
| parent | f67b15037a7a50c57f72e69a6d59941ad90a0f0f (diff) | |
Merge branch 'perf/urgent' into perf/core
Conflicts:
kernel/events/hw_breakpoint.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/xfrm/xfrm_user.c')
| -rw-r--r-- | net/xfrm/xfrm_user.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 7f52b8eb177d..080035f056d9 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -121,22 +121,17 @@ static inline int verify_replay(struct xfrm_usersa_info *p, struct nlattr *rt = attrs[XFRMA_REPLAY_ESN_VAL]; struct xfrm_replay_state_esn *rs; - if (p->flags & XFRM_STATE_ESN) { - if (!rt) - return -EINVAL; + if (!rt) + return (p->flags & XFRM_STATE_ESN) ? -EINVAL : 0; - rs = nla_data(rt); + rs = nla_data(rt); - if (rs->bmp_len > XFRMA_REPLAY_ESN_MAX / sizeof(rs->bmp[0]) / 8) - return -EINVAL; - - if (nla_len(rt) < (int)xfrm_replay_state_esn_len(rs) && - nla_len(rt) != sizeof(*rs)) - return -EINVAL; - } + if (rs->bmp_len > XFRMA_REPLAY_ESN_MAX / sizeof(rs->bmp[0]) / 8) + return -EINVAL; - if (!rt) - return 0; + if (nla_len(rt) < (int)xfrm_replay_state_esn_len(rs) && + nla_len(rt) != sizeof(*rs)) + return -EINVAL; /* As only ESP and AH support ESN feature. */ if ((p->id.proto != IPPROTO_ESP) && (p->id.proto != IPPROTO_AH)) |