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brintos / linux-shallow public Read only

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1// SPDX-License-Identifier: GPL-2.0-only2#include <linux/fault-inject.h>3#include <linux/fault-inject-usercopy.h>4 5static struct {6	struct fault_attr attr;7} fail_usercopy = {8	.attr = FAULT_ATTR_INITIALIZER,9};10 11static int __init setup_fail_usercopy(char *str)12{13	return setup_fault_attr(&fail_usercopy.attr, str);14}15__setup("fail_usercopy=", setup_fail_usercopy);16 17#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS18 19static int __init fail_usercopy_debugfs(void)20{21	struct dentry *dir;22 23	dir = fault_create_debugfs_attr("fail_usercopy", NULL,24					&fail_usercopy.attr);25	if (IS_ERR(dir))26		return PTR_ERR(dir);27 28	return 0;29}30 31late_initcall(fail_usercopy_debugfs);32 33#endif /* CONFIG_FAULT_INJECTION_DEBUG_FS */34 35bool should_fail_usercopy(void)36{37	return should_fail(&fail_usercopy.attr, 1);38}39EXPORT_SYMBOL_GPL(should_fail_usercopy);40