[SCSI] iscsi: redirect fix
From tomof@acm.org: There is one more issue about Equallogic systems. They send re-direction info with FIN. I think that the kernel module needs to let iscsid to read data from the socket before killing it. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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@ -1237,8 +1237,9 @@ iscsi_tcp_state_change(struct sock *sk)
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conn = (struct iscsi_conn*)sk->sk_user_data;
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session = conn->session;
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if (sk->sk_state == TCP_CLOSE_WAIT ||
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sk->sk_state == TCP_CLOSE) {
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if ((sk->sk_state == TCP_CLOSE_WAIT ||
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sk->sk_state == TCP_CLOSE) &&
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!atomic_read(&sk->sk_rmem_alloc)) {
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debug_tcp("iscsi_tcp_state_change: TCP_CLOSE|TCP_CLOSE_WAIT\n");
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iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
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}
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