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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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973c9f4f49
Fix up comments in the key management code. No functional changes. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/* 32-bit compatibility syscall for 64-bit systems
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*
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* Copyright (C) 2004-5 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/syscalls.h>
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#include <linux/keyctl.h>
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#include <linux/compat.h>
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#include "internal.h"
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/*
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* The key control system call, 32-bit compatibility version for 64-bit archs
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*
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* This should only be called if the 64-bit arch uses weird pointers in 32-bit
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* mode or doesn't guarantee that the top 32-bits of the argument registers on
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* taking a 32-bit syscall are zero. If you can, you should call sys_keyctl()
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* directly.
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*/
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asmlinkage long compat_sys_keyctl(u32 option,
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u32 arg2, u32 arg3, u32 arg4, u32 arg5)
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{
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switch (option) {
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case KEYCTL_GET_KEYRING_ID:
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return keyctl_get_keyring_ID(arg2, arg3);
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case KEYCTL_JOIN_SESSION_KEYRING:
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return keyctl_join_session_keyring(compat_ptr(arg2));
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case KEYCTL_UPDATE:
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return keyctl_update_key(arg2, compat_ptr(arg3), arg4);
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case KEYCTL_REVOKE:
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return keyctl_revoke_key(arg2);
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case KEYCTL_DESCRIBE:
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return keyctl_describe_key(arg2, compat_ptr(arg3), arg4);
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case KEYCTL_CLEAR:
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return keyctl_keyring_clear(arg2);
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case KEYCTL_LINK:
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return keyctl_keyring_link(arg2, arg3);
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case KEYCTL_UNLINK:
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return keyctl_keyring_unlink(arg2, arg3);
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case KEYCTL_SEARCH:
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return keyctl_keyring_search(arg2, compat_ptr(arg3),
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compat_ptr(arg4), arg5);
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case KEYCTL_READ:
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return keyctl_read_key(arg2, compat_ptr(arg3), arg4);
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case KEYCTL_CHOWN:
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return keyctl_chown_key(arg2, arg3, arg4);
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case KEYCTL_SETPERM:
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return keyctl_setperm_key(arg2, arg3);
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case KEYCTL_INSTANTIATE:
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return keyctl_instantiate_key(arg2, compat_ptr(arg3), arg4,
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arg5);
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case KEYCTL_NEGATE:
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return keyctl_negate_key(arg2, arg3, arg4);
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case KEYCTL_SET_REQKEY_KEYRING:
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return keyctl_set_reqkey_keyring(arg2);
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case KEYCTL_SET_TIMEOUT:
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return keyctl_set_timeout(arg2, arg3);
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case KEYCTL_ASSUME_AUTHORITY:
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return keyctl_assume_authority(arg2);
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case KEYCTL_GET_SECURITY:
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return keyctl_get_security(arg2, compat_ptr(arg3), arg4);
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case KEYCTL_SESSION_TO_PARENT:
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return keyctl_session_to_parent();
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default:
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return -EOPNOTSUPP;
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}
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}
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