| // SPDX-License-Identifier: GPL-2.0-or-later |
| * Copyright (C) IBM Corporation, 2010 |
| * Author: Anton Blanchard <anton@au.ibm.com> |
| #include <linux/export.h> |
| #include <linux/compiler.h> |
| #include <asm/checksum.h> |
| #include <linux/uaccess.h> |
| __wsum csum_and_copy_from_user(const void __user *src, void *dst, |
| if (unlikely(!user_read_access_begin(src, len))) |
| csum = csum_partial_copy_generic((void __force *)src, dst, len); |
| EXPORT_SYMBOL(csum_and_copy_from_user); |
| __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len) |
| if (unlikely(!user_write_access_begin(dst, len))) |
| csum = csum_partial_copy_generic(src, (void __force *)dst, len); |
| EXPORT_SYMBOL(csum_and_copy_to_user); |