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