drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_qry_present() falls through to next function cfi_merge_status()

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cf9b0772f2e410645fece13b749bd56505b998b8
commit: ee97638b5737cc0dba2f12a3bdcda761656b7c01 objtool: Fix objtool fallthrough detection with function padding
date:   3 months ago
config: x86_64-randconfig-g0-11170744 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        git checkout ee97638b5737cc0dba2f12a3bdcda761656b7c01
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

>> drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_qry_present() falls through to next function cfi_merge_status()
--
>> drivers/mtd/chips/cfi_cmdset_0002.o: warning: objtool: chip_good() falls through to next function fixup_use_fwh_lock()

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Attachment: .config.gz
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