Hi Raghava, [auto build test WARNING on scsi/for-next] [also build test WARNING on v4.10-rc5 next-20170123] [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/Raghava-Aditya-Renukunta/aacraid-Patchset-for-Smart-Family-card-support/20170124-093617 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next config: x86_64-randconfig-x014-201704 (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: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/scsi/aacraid/linit.c: In function 'aac_eh_abort': >> drivers/scsi/aacraid/linit.c:685:38: warning: 'command' may be used uninitialized in this function [-Wmaybe-uninitialized] if ((fib->hw_fib_va->header.XferState & ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cpu_to_le32 ~~~~~~~~~~~ (Async | NoResponseExpected)) && ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (fib->flags & FIB_CONTEXT_FLAG) && ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ ((command == fib->callback_data)) && ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/command +685 drivers/scsi/aacraid/linit.c 03d44337 Mark Haverkamp 2007-03-15 669 } b6ef70f3 Salyzyn, Mark 2008-01-08 670 break; b6ef70f3 Salyzyn, Mark 2008-01-08 671 case TEST_UNIT_READY: 1281d604 Raghava Aditya Renukunta 2017-01-23 672 /* 1281d604 Raghava Aditya Renukunta 2017-01-23 673 * Mark associated FIB to not complete, 1281d604 Raghava Aditya Renukunta 2017-01-23 674 * eh handler does this 1281d604 Raghava Aditya Renukunta 2017-01-23 675 */ 1281d604 Raghava Aditya Renukunta 2017-01-23 676 for (count = 0; 1281d604 Raghava Aditya Renukunta 2017-01-23 677 count < (host->can_queue + AAC_NUM_MGT_FIB); 1281d604 Raghava Aditya Renukunta 2017-01-23 678 ++count) { b6ef70f3 Salyzyn, Mark 2008-01-08 679 struct scsi_cmnd *command; b6ef70f3 Salyzyn, Mark 2008-01-08 680 struct fib *fib = &aac->fibs[count]; 1281d604 Raghava Aditya Renukunta 2017-01-23 681 1281d604 Raghava Aditya Renukunta 2017-01-23 682 if ((fib->hw_fib_va->header.XferState & 1281d604 Raghava Aditya Renukunta 2017-01-23 683 cpu_to_le32 1281d604 Raghava Aditya Renukunta 2017-01-23 684 (Async | NoResponseExpected)) && b6ef70f3 Salyzyn, Mark 2008-01-08 @685 (fib->flags & FIB_CONTEXT_FLAG) && 1281d604 Raghava Aditya Renukunta 2017-01-23 686 ((command == fib->callback_data)) && b6ef70f3 Salyzyn, Mark 2008-01-08 687 (command->device == cmd->device)) { 1281d604 Raghava Aditya Renukunta 2017-01-23 688 fib->flags |= 1281d604 Raghava Aditya Renukunta 2017-01-23 689 FIB_CONTEXT_FLAG_TIMED_OUT; 1281d604 Raghava Aditya Renukunta 2017-01-23 690 command->SCp.phase = 1281d604 Raghava Aditya Renukunta 2017-01-23 691 AAC_OWNER_ERROR_HANDLER; b6ef70f3 Salyzyn, Mark 2008-01-08 692 if (command == cmd) b6ef70f3 Salyzyn, Mark 2008-01-08 693 ret = SUCCESS; :::::: The code at line 685 was first introduced by commit :::::: b6ef70f33ca2a3084b4fea12414550724a9114dc [SCSI] aacraid: OS panic after Adapter panic (hardening). :::::: TO: Salyzyn, Mark <Mark_Salyzyn@xxxxxxxxxxx> :::::: CC: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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