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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);
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