[cifs:for-next 26/27] ERROR: "dns_resolve_server_name_to_ip" [fs/cifs/cifs.ko] undefined!

[kbuild test robot]

tree:   git://git.samba.org/sfrench/cifs-2.6.git for-next
head:   45f4017ee6cabfe12161c1289fe06f9d9b16805a
commit: 1f9917eeaa674bab6efbfc490cb623335cd1e403 [26/27] cifs: Always resolve hostname before reconnecting
config: m68k-sun3_defconfig (attached as .config)
compiler: m68k-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 1f9917eeaa674bab6efbfc490cb623335cd1e403
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=m68k 

All errors (new ones prefixed by >>):

>> ERROR: "dns_resolve_server_name_to_ip" [fs/cifs/cifs.ko] undefined!

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/gzip
Size: 12144 bytes
Desc: not available
URL: <http://lists.samba.org/pipermail/samba-technical/attachments/20181214/d4db785d/config.gz>