netdev - [PATCH] unix_diag: use netlink attribute MAX convention

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Message-ID: <20120425103858.04d149d8@nehalam.linuxnetplumber.net>
Date:	Wed, 25 Apr 2012 10:38:58 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	Shan Wei <shanwei88@...il.com>, xemul@...allels.com,
	NetDev <netdev@...r.kernel.org>
Subject: [PATCH] unix_diag: use netlink attribute MAX convention

Use the standard convention to define the number of elements
in unix diag attribute. This fixes future problems like the fact
the last element (MEMINFO) is not parsed by current iproute2 ss command.

Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

--- a/include/linux/unix_diag.h	2012-02-13 09:23:58.830508614 -0800
+++ b/include/linux/unix_diag.h	2012-04-25 09:36:20.752056963 -0700
@@ -37,9 +37,9 @@ enum {
 	UNIX_DIAG_ICONS,
 	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;
--
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