| #ifndef _ASM_GENERIC_IOCTL_H | |
| #define _ASM_GENERIC_IOCTL_H | |
| #include <uapi/asm-generic/ioctl.h> | |
| /* provoke compile error for invalid uses of size argument */ | |
| extern unsigned int __invalid_size_argument_for_IOC; | |
| #define _IOC_TYPECHECK(t) \ | |
| ((sizeof(t) == sizeof(t[1]) && \ | |
| sizeof(t) < (1 << _IOC_SIZEBITS)) ? \ | |
| sizeof(t) : __invalid_size_argument_for_IOC) | |
| #endif /* _ASM_GENERIC_IOCTL_H */ |