drivers/mtd/chips/cfi_cmdset_0002.o: warning: objtool: chip_good() falls through to next function do_read_secsi_onechip()

From: kbuild test robot
Date: Sat May 25 2019 - 00:24:56 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7fbc78e3155a0c464bd832efc07fb3c2355fe9bd
commit: e6f393bc939d566ce3def71232d8013de9aaadde objtool: Fix function fallthrough detection
date: 11 days ago
config: x86_64-randconfig-b0-05251117 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
git checkout e6f393bc939d566ce3def71232d8013de9aaadde
# save the attached .config to linux build tree
make ARCH=x86_64

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

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

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