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Revision 2585cf9dfaaddf00b069673f27bb3f8530e2039c authored by Linus Torvalds on 12 December 2021, 22:53:01 UTC, committed by Linus Torvalds on 12 December 2021, 22:53:01 UTC 
Linux 5.16-rc5
1 parent 90d9fbc
Raw File
ioctl.h 
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_GENERIC_IOCTL_H
#define _ASM_GENERIC_IOCTL_H

#include <uapi/asm-generic/ioctl.h>

#ifdef __CHECKER__
#define _IOC_TYPECHECK(t) (sizeof(t))
#else
/* 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

#endif /* _ASM_GENERIC_IOCTL_H */
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