linux-kernel - [PATCH 1/3] Constify compat_get

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Date:	Thu, 26 Oct 2006 13:26:59 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	ppc-dev <linuxppc-dev@...abs.org>, paulus@...ba.org, ak@...e.de,
	linux-mm@...ck.org
Subject: [PATCH 1/3] Constify compat_get_bitmap argument

This means we can call it when the bitmap we want to fetch is declared
const.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 include/linux/compat.h |    2 +-
 kernel/compat.c        |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

This is headed towards getting sys_migrate_pages wired up for powerpc.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

diff --git a/include/linux/compat.h b/include/linux/compat.h
index f4ebf96..f155319 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -196,7 +196,7 @@ #define BITS_PER_COMPAT_LONG    (8*sizeo
 #define BITS_TO_COMPAT_LONGS(bits) \
 	(((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
 
-long compat_get_bitmap(unsigned long *mask, compat_ulong_t __user *umask,
+long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
 		       unsigned long bitmap_size);
 long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
 		       unsigned long bitmap_size);
diff --git a/kernel/compat.c b/kernel/compat.c
index 75573e5..d4898aa 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -678,7 +678,7 @@ int get_compat_sigevent(struct sigevent
 		? -EFAULT : 0;
 }
 
-long compat_get_bitmap(unsigned long *mask, compat_ulong_t __user *umask,
+long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
 		       unsigned long bitmap_size)
 {
 	int i, j;
-- 
1.4.3.2

-
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