[PATCH] xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM)

[Antony Antony]

copy geniv when cloning the xfrm state.

x->geniv was not copied to the new state and migration would fail.

xfrm_do_migrate
  ..
  xfrm_state_clone()
   ..
   ..
   esp_init_aead()
   crypto_alloc_aead()
    crypto_alloc_tfm()
     crypto_find_alg() return EAGAIN and failed

Signed-off-by: Antony Antony <ant...@phenome.org>
---
 net/xfrm/xfrm_state.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 065d89606888..500b3391f474 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1343,6 +1343,7 @@ static struct xfrm_state *xfrm_state_clone(struct 
xfrm_state *orig,
 
        if (orig->aead) {
                x->aead = xfrm_algo_aead_clone(orig->aead);
+               x->geniv = orig->geniv;
                if (!x->aead)
                        goto error;
        }
-- 
2.13.6