[RFC v4 6/6] AF_VSOCK: Silence lockep error

[Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>]

This patch uses nested locking to silence a lockdep error.
I'm not sure if it won't actually allow for deadlocks.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
---
 net/vmw_vsock/af_vsock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 9783a38..0390fbe 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1289,7 +1289,7 @@ static int vsock_accept(struct socket *sock, struct socket *newsock, int flags)
 	if (connected) {
 		listener->sk_ack_backlog--;
 
-		lock_sock(connected);
+		lock_sock_nested(connected, SINGLE_DEPTH_NESTING);
 		vconnected = vsock_sk(connected);
 
 		/* If the listener socket has received an error, then we should
-- 
1.9.1