Hi Johannes, [auto build test ERROR on scsi/for-next] [also build test ERROR on v4.10-rc6 next-20170203] [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/Hannes-Reinecke/sanitize-sg/20170203-202314 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next config: x86_64-acpi-redef (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 Note: the linux-review/Hannes-Reinecke/sanitize-sg/20170203-202314 HEAD c442f1293c347b17429edecbc5d29d4eb39152b0 builds fine. It only hurts bisectibility. All error/warnings (new ones prefixed by >>): drivers/scsi/sg.c: In function 'sg_is_valid_dxfer': >> drivers/scsi/sg.c:757:10: error: 'dxfer_direction' undeclared (first use in >> this function) switch (dxfer_direction) { ^~~~~~~~~~~~~~~ drivers/scsi/sg.c:757:10: note: each undeclared identifier is reported only once for each function it appears in >> drivers/scsi/sg.c:776:1: warning: control reaches end of non-void function >> [-Wreturn-type] } ^ vim +/dxfer_direction +757 drivers/scsi/sg.c 751 *o_srp = srp; 752 return count; 753 } 754 755 static bool sg_is_valid_dxfer(sg_io_hdr_t *hp) 756 { > 757 switch (dxfer_direction) { 758 case SG_DXFER_NONE: 759 if (hp->dxferp || hp->dxfer_len > 0) 760 return false; 761 return true; 762 case SG_DXFER_TO_DEV: 763 case SG_DXFER_FROM_DEV: 764 case SG_DXFER_TO_FROM_DEV: 765 if (!hp->dxferp || hp->dxfer_len == 0) 766 return false; 767 return true; 768 case SG_DXFER_UNKNOWN: 769 if ((!hp->dxferp && hp->dxfer_len) || 770 (hp->dxferp && hp->dxfer_len == 0)) 771 return false; 772 return true; 773 default: 774 return false; 775 } > 776 } 777 778 static int 779 sg_common_write(Sg_fd * sfp, Sg_request * srp, --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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