diff options
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/xfrm_state.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index c5cf4d611aab..6b3366fef019 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -2000,16 +2000,13 @@ EXPORT_SYMBOL(xfrm_state_delete_tunnel); int xfrm_state_mtu(struct xfrm_state *x, int mtu) { - int res; + const struct xfrm_type *type = READ_ONCE(x->type); - spin_lock_bh(&x->lock); if (x->km.state == XFRM_STATE_VALID && - x->type && x->type->get_mtu) - res = x->type->get_mtu(x, mtu); - else - res = mtu - x->props.header_len; - spin_unlock_bh(&x->lock); - return res; + type && type->get_mtu) + return type->get_mtu(x, mtu); + + return mtu - x->props.header_len; } int __xfrm_init_state(struct xfrm_state *x, bool init_replay) |