netdev - [PATCH] iproute2: fix implicit declaration of function '__ALIGN

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Date:	Sun, 10 Jul 2011 17:46:20 +0200
From:	Gilles Espinasse <g.esp@...e.fr>
To:	netdev@...r.kernel.org, shemminger@...ux-foundation.org
Cc:	Gilles Espinasse <g.esp@...e.fr>
Subject: [PATCH] iproute2: fix implicit declaration of function '__ALIGN_KERNEL'

Warning seen with 2.6.32 kernel headers
 m_xt.c:85: warning: implicit declaration of function '__ALIGN_KERNEL'

Declaration lines borrowed from iptables-1.4.11.1

Signed-off-by: Gilles Espinasse <g.esp@...e.fr>
---
 include/linux/netfilter/x_tables.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 4120970..a6614b0 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -96,6 +96,8 @@ struct _xt_align {
 	__u64 u64;
 };
 
+#define __ALIGN_KERNEL(x, a)	__ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
+#define __ALIGN_KERNEL_MASK(x, mask)	(((x) + (mask)) & ~(mask))
 #define XT_ALIGN(s) __ALIGN_KERNEL((s), __alignof__(struct _xt_align))
 
 /* Standard return verdict, or do jump. */
-- 
1.5.6.5

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