Re: randconfig build error with next-20140710, in net/ipv4/ipconfig.c

From: David Miller
Date: Thu Jul 10 2014 - 15:54:49 EST


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

> Building with the attached random configuration file,
>
> net/ipv4/ipconfig.c: In function ʽic_dynamicʼ:
> net/ipv4/ipconfig.c:1221:3: error: ʽic_dev_xidʼ 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@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
---
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