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Date:	Thu, 10 Jul 2014 12:54:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jim.epost@...il.com
Cc:	sfr@...b.auug.org.au, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, kuznet@....inr.ac.ru,
	jmorris@...ei.org, yoshfuji@...ux-ipv6.org, kaber@...sh.net,
	netdev@...r.kernel.org
Subject: Re: randconfig build error with next-20140710, in
 net/ipv4/ipconfig.c

From: Jim Davis <jim.epost@...il.com>
Date: Thu, 10 Jul 2014 10:07:50 -0700

> Building with the attached random configuration file,
> 
> net/ipv4/ipconfig.c: In function ‘ic_dynamic’:
> net/ipv4/ipconfig.c:1221:3: error: ‘ic_dev_xid’ undeclared (first use
> in this function)
>    ic_dev_xid = d->xid;
>    ^
> net/ipv4/ipconfig.c:1221:3: note: each undeclared identifier is
> reported only once for each function it appears in
> make[2]: *** [net/ipv4/ipconfig.o] Error 1

Should be fixed by:

From 405fd707196d596f59a510d176dedc979c1ae34b Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@...emloft.net>
Date: Wed, 9 Jul 2014 22:25:18 -0700
Subject: [PATCH] ipconfig: Only bootp paths should reference ic_dev_xid.

It is only tested, and declared, in the bootp code.

So, in ic_dynamic() guard it's setting with IPCONFIG_BOOTP.

Signed-off-by: David S. Miller <davem@...emloft.net>
---
 net/ipv4/ipconfig.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index f02f594..5bbef4f 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1217,10 +1217,10 @@ static int __init ic_dynamic(void)
 	get_random_bytes(&timeout, sizeof(timeout));
 	timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned int) CONF_TIMEOUT_RANDOM);
 	for (;;) {
+#ifdef IPCONFIG_BOOTP
 		/* Track the device we are configuring */
 		ic_dev_xid = d->xid;
 
-#ifdef IPCONFIG_BOOTP
 		if (do_bootp && (d->able & IC_BOOTP))
 			ic_bootp_send_if(d, jiffies - start_jiffies);
 #endif
-- 
1.7.11.7

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