netdev - Re: gre: minor cleanups in netlink interface

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Message-ID: <20081011124348.GA6845@gondor.apana.org.au>
Date:	Sat, 11 Oct 2008 20:43:48 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: gre: minor cleanups in netlink interface

On Sat, Oct 11, 2008 at 06:39:35PM +0800, Herbert Xu wrote:
> 
> I think this should be done in iproute.  That way the user (or
> rather the user-space programmer) gets to choose the behaviour.
> This is also how the existing interface works too.

But there is a stupid bug in my code that causes garbage to
show up in the configuration.

gre: Initialise rtnl_link tunnel parameters properly

Brown paper bag error of calling memset with sizeof(p) instead
of sizeof(*p).

Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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--
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 0d5e35b..482abda 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1345,7 +1345,7 @@ out:
 static void ipgre_netlink_parms(struct nlattr *data[],
 				struct ip_tunnel_parm *parms)
 {
-	memset(parms, 0, sizeof(parms));
+	memset(parms, 0, sizeof(*parms));
 
 	parms->iph.protocol = IPPROTO_GRE;
 
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