Orange Pi5 kernel

// SPDX-License-Identifier: BSD-3-Clause
/*
 * linux/net/sunrpc/auth_gss/auth_gss_internal.h
 *
 * Internal definitions for RPCSEC_GSS client authentication
 *
 * Copyright (c) 2000 The Regents of the University of Michigan.
 * All rights reserved.
 *
 */
#include <linux/err.h>
#include <linux/string.h>
#include <linux/sunrpc/xdr.h>
 
static inline const void *
simple_get_bytes(const void *p, const void *end, void *res, size_t len)
{
<------>const void *q = (const void *)((const char *)p + len);
<------>if (unlikely(q > end || q < p))
<------><------>return ERR_PTR(-EFAULT);
<------>memcpy(res, p, len);
<------>return q;
}
 
static inline const void *
simple_get_netobj(const void *p, const void *end, struct xdr_netobj *dest)
{
<------>const void *q;
<------>unsigned int len;
 
<------>p = simple_get_bytes(p, end, &len, sizeof(len));
<------>if (IS_ERR(p))
<------><------>return p;
<------>q = (const void *)((const char *)p + len);
<------>if (unlikely(q > end || q < p))
<------><------>return ERR_PTR(-EFAULT);
<------>if (len) {
<------><------>dest->data = kmemdup(p, len, GFP_NOFS);
<------><------>if (unlikely(dest->data == NULL))
<------><------><------>return ERR_PTR(-ENOMEM);
<------>} else
<------><------>dest->data = NULL;
<------>dest->len = len;
<------>return q;
}