xfrm: Remove ancient sleeping when the SA is in acquire state

We now queue packets to the policy if the states are not yet resolved,
this replaces the ancient sleeping code. Also the sleeping can cause
indefinite task hangs if the needed state does not get resolved.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 9a039acf37e8..5beabd8ba772 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1380,10 +1380,9 @@ static int pfkey_acquire(struct sock *sk, struct sk_buff *skb, const struct sadb
                 return 0;
 
         spin_lock_bh(&x->lock);
-        if (x->km.state == XFRM_STATE_ACQ) {
+        if (x->km.state == XFRM_STATE_ACQ)
                 x->km.state = XFRM_STATE_ERROR;
-                wake_up(&net->xfrm.km_waitq);
-        }
+
         spin_unlock_bh(&x->lock);
         xfrm_state_put(x);
         return 0;