linux-kernel - [ 58/68] net: fix *_DIAG

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Date:	Tue,  2 Apr 2013 15:13:47 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Thomas Graf <tgraf@...g.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Pavel Emelyanov <xemul@...allels.com>,
	Eric Dumazet <edumazet@...gle.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	David Howells <dhowells@...hat.com>,
	Andrey Vagin <avagin@...nvz.org>
Subject: [ 58/68] net: fix *_DIAG_MAX constants

3.4-stable review patch.  If anyone has any objections, please let me know.

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


From: Andrey Vagin <avagin@...nvz.org>

[ Upstream commit ae5fc98728c8bbbd6d7cab0b9781671fc4419c1b ]

Follow the common pattern and define *_DIAG_MAX like:

        [...]
        __XXX_DIAG_MAX,
};

Because everyone is used to do:

        struct nlattr *attrs[XXX_DIAG_MAX+1];

        nla_parse([...], XXX_DIAG_MAX, [...]

Reported-by: Thomas Graf <tgraf@...g.ch>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Pavel Emelyanov <xemul@...allels.com>
Cc: Eric Dumazet <edumazet@...gle.com>
Cc: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc: David Howells <dhowells@...hat.com>
Signed-off-by: Andrey Vagin <avagin@...nvz.org>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/linux/unix_diag.h |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/include/linux/unix_diag.h
+++ b/include/linux/unix_diag.h
@@ -38,9 +38,11 @@ enum {
 	UNIX_DIAG_RQLEN,
 	UNIX_DIAG_MEMINFO,
 
-	UNIX_DIAG_MAX,
+	__UNIX_DIAG_MAX,
 };
 
+#define UNIX_DIAG_MAX (__UNIX_DIAG_MAX - 1)
+
 struct unix_diag_vfs {
 	__u32	udiag_vfs_ino;
 	__u32	udiag_vfs_dev;


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