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