Messages in this thread | | | Date | Thu, 22 Oct 2020 18:14:10 +0800 | From | kernel test robot <> | Subject | Re: [PATCH v2 2/2] f2fs: add F2FS_IOC_SET_COMPRESS_OPTION ioctl |
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Hi Daeho,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on f2fs/dev-test] [also build test WARNING on linus/master v5.9 next-20201022] [cannot apply to linux/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Daeho-Jeong/f2fs-add-F2FS_IOC_GET_COMPRESS_OPTION-ioctl/20201022-115947 base: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test config: x86_64-randconfig-s022-20201022 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-17-g2d3af347-dirty # https://github.com/0day-ci/linux/commit/d869d11ac39edb97c13765c59163d12f56dccd6f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Daeho-Jeong/f2fs-add-F2FS_IOC_GET_COMPRESS_OPTION-ioctl/20201022-115947 git checkout d869d11ac39edb97c13765c59163d12f56dccd6f # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
"sparse warnings: (new ones prefixed by >>)" >> fs/f2fs/compress.c:543:44: sparse: sparse: Using plain integer as NULL pointer
vim +543 fs/f2fs/compress.c
540 541 bool f2fs_is_compress_algorithm_ready(unsigned char algorithm) 542 { > 543 return algorithm >= COMPRESS_MAX ? false : f2fs_cops[algorithm]; 544 } 545
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