Prevent callbacks from triggering while we're detaching the socket.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
net/sunrpc/svcsock.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index dadfec66dbd8..abe2da602fb8 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1611,9 +1611,12 @@ static void svc_sock_detach(struct svc_xprt *xprt)
dprintk("svc: svc_sock_detach(%p)\n", svsk);
/* put back the old socket callbacks */
+ lock_sock(sk);
sk->sk_state_change = svsk->sk_ostate;
sk->sk_data_ready = svsk->sk_odata;
sk->sk_write_space = svsk->sk_owspace;
+ sk->sk_user_data = NULL;
+ release_sock(sk);
wq = sk_sleep(sk);
if (sunrpc_waitqueue_active(wq))
--
2.7.4
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