Hi Eugene, Thank you for the patch! Yet something to improve: [auto build test ERROR on block/for-next] [also build test ERROR on v4.19-rc3 next-20180911] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Eugene-Korenevsky/efi-take-size-of-partition-entry-from-GPT-header/20180912-054430 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: i386-randconfig-x018-201836 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): block/partitions/efi.c: In function 'get_gpt_entry': >> block/partitions/efi.c:670:36: error: 'gpt' undeclared (first use in this function); did you mean 'iput'? return (gpt_entry *)((u8 *)ptes + gpt->sizeof_partition_entry * index); ^~~ iput block/partitions/efi.c:670:36: note: each undeclared identifier is reported only once for each function it appears in block/partitions/efi.c:671:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +670 block/partitions/efi.c 667 668 static gpt_entry *get_gpt_entry(gpt_header *gpt_hdr, gpt_entry *ptes, u32 index) 669 { > 670 return (gpt_entry *)((u8 *)ptes + gpt->sizeof_partition_entry * index); 671 } 672 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation