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authorJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
committerJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
commit86d688984deefa3ae5a802880c11f2b408b5d6cf (patch)
tree7ea5e8189b0a774626d3ed7c3c87df2495a4c4a0 /include/asm-generic/ioctl.h
parent93c06cbbf9fea5d5be1778febb7fa9ab1a74e5f5 (diff)
parent4c246edd2550304df5b766cc841584b2bb058843 (diff)
Merge branch 'master' into next
Diffstat (limited to 'include/asm-generic/ioctl.h')
-rw-r--r--include/asm-generic/ioctl.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/ioctl.h b/include/asm-generic/ioctl.h
index 86418138557..15828b2d663 100644
--- a/include/asm-generic/ioctl.h
+++ b/include/asm-generic/ioctl.h
@@ -68,12 +68,16 @@
((nr) << _IOC_NRSHIFT) | \
((size) << _IOC_SIZESHIFT))
+#ifdef __KERNEL__
/* 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)
+#else
+#define _IOC_TYPECHECK(t) (sizeof(t))
+#endif
/* used to create numbers */
#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)