linux/lib/fault-inject-usercopy.c

// SPDX-License-Identifier: GPL-2.0-only
#include <linux/fault-inject.h>
#include <linux/fault-inject-usercopy.h>

static struct { … } fail_usercopy = …;

static int __init setup_fail_usercopy(char *str)
{ … }
__setup(…);

#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS

static int __init fail_usercopy_debugfs(void)
{ … }

late_initcall(fail_usercopy_debugfs);

#endif /* CONFIG_FAULT_INJECTION_DEBUG_FS */

bool should_fail_usercopy(void)
{ … }
EXPORT_SYMBOL_GPL(…);