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From 3c761ea05a8900a907f32b628611873f6bef24b2 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 26 Feb 2012 09:44:55 -0800
Subject: Fix autofs compile without CONFIG_COMPAT
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
@@ -311,5 +311,9 @@ asmlinkage long compat_sys_openat(unsign
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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