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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
af4cd3fe BG |
2 | #ifndef _ASM_GENERIC_IOCTL_H |
3 | #define _ASM_GENERIC_IOCTL_H | |
4 | ||
8a1ab315 | 5 | #include <uapi/asm-generic/ioctl.h> |
af4cd3fe | 6 | |
d55875f5 HV |
7 | #ifdef __CHECKER__ |
8 | #define _IOC_TYPECHECK(t) (sizeof(t)) | |
9 | #else | |
af4cd3fe BG |
10 | /* provoke compile error for invalid uses of size argument */ |
11 | extern unsigned int __invalid_size_argument_for_IOC; | |
12 | #define _IOC_TYPECHECK(t) \ | |
13 | ((sizeof(t) == sizeof(t[1]) && \ | |
14 | sizeof(t) < (1 << _IOC_SIZEBITS)) ? \ | |
15 | sizeof(t) : __invalid_size_argument_for_IOC) | |
d55875f5 HV |
16 | #endif |
17 | ||
af4cd3fe | 18 | #endif /* _ASM_GENERIC_IOCTL_H */ |