linux-kernel - arch/arm/boot/compressed/fdt_rw.c:439:38: sparse: sparse: dubious: x

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Message-ID: <202006121655.8Zt9R7T5%lkp@intel.com>
Date:   Fri, 12 Jun 2020 16:40:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     Rob Herring <robh@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/arm/boot/compressed/fdt_rw.c:439:38: sparse: sparse: dubious: x
 | !y

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b791d1bdf9212d944d749a5c7ff6febdba241771
commit: d047cd8a2760f58d17b8ade21d2f15b818575abc scripts/dtc: Update to upstream version v1.6.0-2-g87a656ae5ff9
date:   3 months ago
config: arm-randconfig-s032-20200612 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-250-g42323db3-dirty
        git checkout d047cd8a2760f58d17b8ade21d2f15b818575abc
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=arm CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)

>> arch/arm/boot/compressed/fdt_rw.c:439:38: sparse: sparse: dubious: x | !y

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (35628 bytes)