Greg Kroah-Hartman
0b0c6da050
Link: https://lore.kernel.org/r/20260520162111.222830634@linuxfoundation.org Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Francesco Dolcini <francesco.dolcini@toradex.com> Tested-by: Pavel Machek (CIP) <pavel@nabladev.com> Tested-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
40 lines
823 B
C
40 lines
823 B
C
// 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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