Hi Richard,

[auto build test ERROR on mtd/master]
[also build test ERROR on v4.8-rc7]
[cannot apply to next-20160921]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Daniel-Walter/Nandsim-facelift-part-I-of-II/20160921-182636
base:   git://git.infradead.org/linux-mtd.git master
config: i386-randconfig-s1-201638 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> ERROR: "nand_cleanup" [drivers/mtd/nand/nandsim.ko] undefined!

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0-DAY kernel test infrastructure                Open Source Technology Center
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