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Commit dfcf0380 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

SUNRPC: Fix up socket polling 



Ensure that we do not exit the socket read callback without clearing
XPRT_SOCK_DATA_READY.

Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent b76a5afd

net/sunrpc/xprtsock.c

+2 −2
Original line number Diff line number Diff line
@@ -649,9 +649,9 @@ static void xs_stream_data_receive(struct sock_xprt *transport) 
	ssize_t ret = 0;



	mutex_lock(&transport->recv_mutex);

	clear_bit(XPRT_SOCK_DATA_READY, &transport->sock_state);

	if (transport->sock == NULL)

		goto out;

	clear_bit(XPRT_SOCK_DATA_READY, &transport->sock_state);

	for (;;) {

		ret = xs_read_stream(transport, MSG_DONTWAIT);

		if (ret < 0)
@@ -1346,10 +1346,10 @@ static void xs_udp_data_receive(struct sock_xprt *transport) 
	int err;



	mutex_lock(&transport->recv_mutex);

	clear_bit(XPRT_SOCK_DATA_READY, &transport->sock_state);

	sk = transport->inet;

	if (sk == NULL)

		goto out;

	clear_bit(XPRT_SOCK_DATA_READY, &transport->sock_state);

	for (;;) {

		skb = skb_recv_udp(sk, 0, 1, &err);

		if (skb == NULL)