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Commit ed96af64 authored by Alex Elder's avatar Alex Elder Committed by Alex Elder
Browse files

ceph: messenger: check return from get_authorizer



In prepare_connect_authorizer(), a connection's get_authorizer
method is called but ignores its return value.  This function can
return an error, so check for it and return it if that ever occurs.

Signed-off-by: default avatarAlex Elder <elder@inktank.com>
Reviewed-by: default avatarSage Weil <sage@inktank.com>
parent b1c6b980
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+7 −3
Original line number Diff line number Diff line
@@ -658,6 +658,7 @@ static int prepare_connect_authorizer(struct ceph_connection *con)
	void *auth_buf;
	int auth_len;
	int auth_protocol;
	int ret;

	if (!con->ops->get_authorizer) {
		con->out_connect.authorizer_protocol = CEPH_AUTH_UNKNOWN;
@@ -673,11 +674,14 @@ static int prepare_connect_authorizer(struct ceph_connection *con)
	auth_buf = NULL;
	auth_len = 0;
	auth_protocol = CEPH_AUTH_UNKNOWN;
	con->ops->get_authorizer(con, &auth_buf, &auth_len, &auth_protocol,
				&con->auth_reply_buf, &con->auth_reply_buf_len,
				con->auth_retry);
	ret = con->ops->get_authorizer(con, &auth_buf, &auth_len,
				&auth_protocol, &con->auth_reply_buf,
				&con->auth_reply_buf_len, con->auth_retry);
	mutex_lock(&con->mutex);

	if (ret)
		return ret;

	if (test_bit(CLOSED, &con->state) || test_bit(OPENING, &con->state))
		return -EAGAIN;