linux-kernel - [PATCH 1/1] ipv6: fix the noflags test in addrconf_get_prefix

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Message-Id: <470C14E4-2866-4C55-89A3-D6751E1587C4@ipflavors.com>
Date:	Wed, 9 Jan 2013 15:36:40 +0100
From:	Romain KUNTZ <r.kuntz@...lavors.com>
To:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Cc:	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, Andreas Hofmeister <andi@...lax.com>,
	Romain KUNTZ <r.kuntz@...lavors.com>
Subject: [PATCH 1/1] ipv6: fix the noflags test in addrconf_get_prefix_route

>From e7ece201c35615c44a3cfdc10ee28ad5a5878f41 Mon Sep 17 00:00:00 2001
From: Romain Kuntz <r.kuntz@...lavors.com>
Date: Wed, 9 Jan 2013 15:02:26 +0100
Subject: [PATCH 1/1] ipv6: fix the noflags test in addrconf_get_prefix_route

The tests on the flags in addrconf_get_prefix_route() does no make
much sense: the 'noflags' parameter contains the set of flags that
must not match with the route flags, so the test must be done
against 'noflags', and not against 'flags'.

Signed-off-by: Romain Kuntz <r.kuntz@...lavors.com>
---
 net/ipv6/addrconf.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 408cac4a..29ba4ff 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1877,7 +1877,7 @@ static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
 			continue;
 		if ((rt->rt6i_flags & flags) != flags)
 			continue;
-		if ((noflags != 0) && ((rt->rt6i_flags & flags) != 0))
+		if ((rt->rt6i_flags & noflags) != 0)
 			continue;
 		dst_hold(&rt->dst);
 		break;
-- 
1.7.2.5

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