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authorLeon Romanovsky <leonro@nvidia.com>2025-02-19 15:50:58 +0200
committerSteffen Klassert <steffen.klassert@secunet.com>2025-02-21 08:08:15 +0100
commitb6ccf61aa4fda43f7961f2e83433bc6e6b78ab95 (patch)
tree110c29342155915d69053bb5b335cd4746065d23
parent585b64f5a62089ef42889b106b063d089feb6599 (diff)
xfrm: simplify SA initialization routine
SA replay mode is initialized differently for user-space and kernel-space users, but the call to xfrm_init_replay() existed in common path with boolean protection. That caused to situation where we have two different function orders. So let's rewrite the SA initialization flow to have same order for both in-kernel and user-space callers. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
-rw-r--r--include/net/xfrm.h3
-rw-r--r--net/xfrm/xfrm_state.c22
-rw-r--r--net/xfrm/xfrm_user.c2
3 files changed, 12 insertions, 15 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index e1eed5d47d07..15997374a594 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1769,8 +1769,7 @@ void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si);
u32 xfrm_replay_seqhi(struct xfrm_state *x, __be32 net_seq);
int xfrm_init_replay(struct xfrm_state *x, struct netlink_ext_ack *extack);
u32 xfrm_state_mtu(struct xfrm_state *x, int mtu);
-int __xfrm_init_state(struct xfrm_state *x, bool init_replay,
- struct netlink_ext_ack *extack);
+int __xfrm_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack);
int xfrm_init_state(struct xfrm_state *x);
int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type);
int xfrm_input_resume(struct sk_buff *skb, int nexthdr);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 69af5964c886..7b1028671144 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -3120,8 +3120,7 @@ u32 xfrm_state_mtu(struct xfrm_state *x, int mtu)
}
EXPORT_SYMBOL_GPL(xfrm_state_mtu);
-int __xfrm_init_state(struct xfrm_state *x, bool init_replay,
- struct netlink_ext_ack *extack)
+int __xfrm_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack)
{
const struct xfrm_mode *inner_mode;
const struct xfrm_mode *outer_mode;
@@ -3188,12 +3187,6 @@ int __xfrm_init_state(struct xfrm_state *x, bool init_replay,
}
x->outer_mode = *outer_mode;
- if (init_replay) {
- err = xfrm_init_replay(x, extack);
- if (err)
- goto error;
- }
-
if (x->nat_keepalive_interval) {
if (x->dir != XFRM_SA_DIR_OUT) {
NL_SET_ERR_MSG(extack, "NAT keepalive is only supported for outbound SAs");
@@ -3225,11 +3218,16 @@ int xfrm_init_state(struct xfrm_state *x)
{
int err;
- err = __xfrm_init_state(x, true, NULL);
- if (!err)
- x->km.state = XFRM_STATE_VALID;
+ err = __xfrm_init_state(x, NULL);
+ if (err)
+ return err;
- return err;
+ err = xfrm_init_replay(x, NULL);
+ if (err)
+ return err;
+
+ x->km.state = XFRM_STATE_VALID;
+ return 0;
}
EXPORT_SYMBOL(xfrm_init_state);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index b5266e0848e8..784a2d124749 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -919,7 +919,7 @@ static struct xfrm_state *xfrm_state_construct(struct net *net,
goto error;
}
- err = __xfrm_init_state(x, false, extack);
+ err = __xfrm_init_state(x, extack);
if (err)
goto error;