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Commit 069c225b authored Jun 24, 2016 by Trond Myklebust Committed by J. Bruce Fields Jul 13, 2016

SUNRPC: lock the socket while detaching it



Prevent callbacks from triggering while we're detaching the socket.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

parent 104f6351

net/sunrpc/svcsock.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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))