1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _ASM_GENERIC_IOCTL_H |
3 | #define _ASM_GENERIC_IOCTL_H |
4 | |
5 | #include <uapi/asm-generic/ioctl.h> |
6 | |
7 | #ifdef __CHECKER__ |
8 | #define _IOC_TYPECHECK(t) (sizeof(t)) |
9 | #else |
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) |
16 | #endif |
17 | |
18 | #endif /* _ASM_GENERIC_IOCTL_H */ |
19 | |