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: parisc-allyesconfig (attached as .config) compiler: hppa-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=parisc All warnings (new ones prefixed by >>): In file included from include/linux/byteorder/big_endian.h:4:0, from arch/parisc/include/uapi/asm/byteorder.h:4, from arch/parisc/include/asm/bitops.h:10, from include/linux/bitops.h:36, from include/linux/kernel.h:10, from drivers/scsi/aacraid/aachba.c:27: drivers/scsi/aacraid/aachba.c: In function 'aac_build_sghba': include/uapi/linux/byteorder/big_endian.h:32:26: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define __cpu_to_le32(x) ((__force __le32)__swab32((x))) ^ include/linux/byteorder/generic.h:87:21: note: in expansion of macro '__cpu_to_le32' #define cpu_to_le32 __cpu_to_le32 ^~~~~~~~~~~~~ >> drivers/scsi/aacraid/aachba.c:4000:34: note: in expansion of macro 'cpu_to_le32' hbacmd->emb_data_desc_count = cpu_to_le32(1); ^~~~~~~~~~~ drivers/scsi/aacraid/aachba.c: In function 'aac_report_phys_luns': drivers/scsi/aacraid/aachba.c:1801:2: warning: 'addr' may be used uninitialized in this function [-Wmaybe-uninitialized] pci_free_consistent(dev->pdev, datasize, (void *) phys_luns, addr); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/aacraid/aachba.c:1802:9: warning: 'rcode' may be used uninitialized in this function [-Wmaybe-uninitialized] return rcode; ^~~~~ vim +/cpu_to_le32 +4000 drivers/scsi/aacraid/aachba.c 3984 3985 sge--; 3986 /* hba wants the size to be exact */ 3987 if (byte_count > scsi_bufflen(scsicmd)) { 3988 u32 temp = le32_to_cpu(sge->len) - 3989 (byte_count - scsi_bufflen(scsicmd)); 3990 sge->len = cpu_to_le32(temp); 3991 byte_count = scsi_bufflen(scsicmd); 3992 } 3993 3994 if (nseg <= HBA_MAX_SG_EMBEDDED) { 3995 hbacmd->emb_data_desc_count = cpu_to_le32(nseg); 3996 sge->flags = cpu_to_le32(0x40000000); 3997 } else { 3998 /* not embedded */ 3999 hbacmd->sge[0].flags = cpu_to_le32(0x80000000); > 4000 hbacmd->emb_data_desc_count = cpu_to_le32(1); 4001 hbacmd->sge[0].addr_hi = 4002 cpu_to_le32((u32)(sg_address >> 32)); 4003 hbacmd->sge[0].addr_lo = 4004 cpu_to_le32((u32)(sg_address & 0xffffffff)); 4005 } 4006 4007 /* Check for command underflow */ 4008 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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