diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index b3e86ea7b71b7e480ce64d243e3c1951484a7cbb..f0f3f9f77b30fe5f6c67d8785f0ea437dde2d736 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -143,7 +143,7 @@ __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 */
 
-__be32 ic_dev_xid;		/* Device under configuration */
+static __be32 ic_dev_xid;		/* Device under configuration */
 
 /* vendor class identifier */
 static char vendor_class_identifier[253] __initdata;