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Subject[ 02/68] Fix autofs compile without CONFIG_COMPAT
3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Linus Torvalds <torvalds@linux-foundation.org>

commit 3c761ea05a8900a907f32b628611873f6bef24b2 upstream.

The autofs compat handling fix caused a compile failure when
CONFIG_COMPAT isn't defined.

Instead of adding random #ifdef'fery in autofs, let's just make the
compat helpers earlier to use: without CONFIG_COMPAT, is_compat_task()
just hardcodes to zero.

We could probably do something similar for a number of other cases where
we have #ifdef's in code, but this is the low-hanging fruit.

Reported-and-tested-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
include/linux/compat.h | 4 ++++
1 file changed, 4 insertions(+)

--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -561,5 +561,9 @@ extern ssize_t compat_rw_copy_check_uvec

extern void __user *compat_alloc_user_space(unsigned long len);

+#else
+
+#define is_compat_task() (0)
+
#endif /* CONFIG_COMPAT */
#endif /* _LINUX_COMPAT_H */



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