[net] xfrm_user: use xfrm_state_put to free xfrm_state_alloc return value

[Pan Bian]

From: Pan Bian <bianpan2013@xxxxxxx>

The memory chunk allocated by xfrm_state_alloc() should be released with
xfrm_state_put(), not kfree.

Signed-off-by: Pan Bian <bianpan2013@xxxxxxx>
---
 net/xfrm/xfrm_user.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index c9a84e2..267922c 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2288,13 +2288,13 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
 
 	}
 
-	kfree(x);
+	xfrm_state_put(x);
 	kfree(xp);
 
 	return 0;
 
 free_state:
-	kfree(x);
+	xfrm_state_put(x);
 nomem:
 	return err;
 }
-- 
2.7.4