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// SPDX-License-Identifier: GPL-2.0-only
#include <linux/fault-inject.h>
#include <linux/fault-inject-usercopy.h>
static struct {
struct fault_attr attr;
} fail_usercopy = {
.attr = FAULT_ATTR_INITIALIZER,
};
static int __init setup_fail_usercopy(char *str)
{
return setup_fault_attr(&fail_usercopy.attr, str);
}
__setup("fail_usercopy=", setup_fail_usercopy);
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
static int __init fail_usercopy_debugfs(void)
{
struct dentry *dir;
dir = fault_create_debugfs_attr("fail_usercopy", NULL,
&fail_usercopy.attr);
if (IS_ERR(dir))
return PTR_ERR(dir);
return 0;
}
late_initcall(fail_usercopy_debugfs);
#endif /* CONFIG_FAULT_INJECTION_DEBUG_FS */
bool should_fail_usercopy(void)
{
return should_fail(&fail_usercopy.attr, 1);
}
EXPORT_SYMBOL_GPL(should_fail_usercopy);