linux-kernel - [PATCH 1/1 net-next] ipconfig: move ic_dev_xid under IPCONFIG

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Message-Id: <1404930921-14879-1-git-send-email-fabf@skynet.be>
Date:	Wed,  9 Jul 2014 20:35:21 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	Fabian Frederick <fabf@...net.be>,
	Fengguang Wu <fengguang.wu@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>, netdev@...r.kernel.org
Subject: [PATCH 1/1 net-next] ipconfig: move ic_dev_xid under IPCONFIG_BOOTP

ic_dev_xid is only used in __init ic_bootp_recv under IPCONFIG_BOOTP
and __init ic_dynamic under IPCONFIG_DYNAMIC(which is itself defined
with the same IPCONFIG_BOOTP)

This patch fixes the following warning when IPCONFIG_BOOTP is not set:
>> net/ipv4/ipconfig.c:146:15: warning: 'ic_dev_xid' defined but not used [-Wunused-variable]
    static __be32 ic_dev_xid;  /* Device under configuration */

Reported-by: Fengguang Wu <fengguang.wu@...el.com>
Cc: Fengguang Wu <fengguang.wu@...el.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Alexey Kuznetsov <kuznet@....inr.ac.ru>
Cc: netdev@...r.kernel.org
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 net/ipv4/ipconfig.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index f0f3f9f..f02f594 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -143,8 +143,6 @@ __be32 ic_servaddr = NONE;	/* Boot server IP address */
 __be32 root_server_addr = NONE;	/* Address of NFS server */
 u8 root_server_path[256] = { 0, };	/* Path to mount as root */
 
-static __be32 ic_dev_xid;		/* Device under configuration */
-
 /* vendor class identifier */
 static char vendor_class_identifier[253] __initdata;
 
@@ -654,6 +652,7 @@ static struct packet_type bootp_packet_type __initdata = {
 	.func =	ic_bootp_recv,
 };
 
+static __be32 ic_dev_xid;		/* Device under configuration */
 
 /*
  *  Initialize DHCP/BOOTP extension fields in the request.
-- 
1.9.1

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