Subject: net/ipv4/ipconfig.c:1590:2: error: implicit declaration of function 'ic_nameservers_predef'

From: Fengguang Wu <[email-masked]>
Date: Tue, 2 Oct 2012 11:27:44 +0800

Hi Christoph,

FYI, kernel build failed on

commit: 5e953778a2aab04929a5e7b69f53dc26e39b079e ipconfig: add nameserver IPs to kernel-parameter ip=
config: i386-randconfig-b106 (attached as .config)

All error/warnings:

net/ipv4/ipconfig.c: In function 'ip_auto_config_setup':
net/ipv4/ipconfig.c:1590:2: error: implicit declaration of function 'ic_nameservers_predef' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

vim +1590 net/ipv4/ipconfig.c

92ffb85d (Amos Waterland  2008-01-05  1578) 	 */
^1da177e (Linus Torvalds  2005-04-16  1579) 	if (ic_proto_name(addrs))
^1da177e (Linus Torvalds  2005-04-16  1580) 		return 1;
^1da177e (Linus Torvalds  2005-04-16  1581) 
92ffb85d (Amos Waterland  2008-01-05  1582) 	/* If no static IP is given, turn off autoconfig and bail.  */
92ffb85d (Amos Waterland  2008-01-05  1583) 	if (*addrs == 0 ||
92ffb85d (Amos Waterland  2008-01-05  1584) 	    strcmp(addrs, "off") == 0 ||
92ffb85d (Amos Waterland  2008-01-05  1585) 	    strcmp(addrs, "none") == 0) {
92ffb85d (Amos Waterland  2008-01-05  1586) 		ic_enable = 0;
92ffb85d (Amos Waterland  2008-01-05  1587) 		return 1;
92ffb85d (Amos Waterland  2008-01-05  1588) 	}
92ffb85d (Amos Waterland  2008-01-05  1589) 
5e953778 (Christoph Fritz 2012-09-21 @1590) 	ic_nameservers_predef();
5e953778 (Christoph Fritz 2012-09-21  1591) 
92ffb85d (Amos Waterland  2008-01-05  1592) 	/* Parse string for static IP assignment.  */
^1da177e (Linus Torvalds  2005-04-16  1593) 	ip = addrs;
^1da177e (Linus Torvalds  2005-04-16  1594) 	while (ip && *ip) {
^1da177e (Linus Torvalds  2005-04-16  1595) 		if ((cp = strchr(ip, ':')))
^1da177e (Linus Torvalds  2005-04-16  1596) 			*cp++ = '\0';

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu, Yuanhan Liu                              Intel Corporation