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Diffstat (limited to 'include/asm-generic/ioctl.h')
-rw-r--r--include/asm-generic/ioctl.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-generic/ioctl.h b/include/asm-generic/ioctl.h
index d17295b290fa..297fb0d7cd6c 100644
--- a/include/asm-generic/ioctl.h
+++ b/include/asm-generic/ioctl.h
@@ -3,10 +3,15 @@
#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 */