Hi Joe, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on scsi/for-next] [also build test WARNING on next-20190306] [cannot apply to v5.0] [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/Himanshu-Madhani/qla2xxx-Add-support-for-ISP28XX-Gen7-adapter/20190309-120215 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next config: ia64-allyesconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 8.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=8.2.0 make.cross ARCH=ia64 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/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_other': drivers/scsi/qla2xxx/qla_tmpl.c:784:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong type = le32_to_cpu(*qla_fw_addr32(ent->hdr.type)); ^~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t278': drivers/scsi/qla2xxx/qla_tmpl.c:769:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong data_addr = le32_to_cpu(*qla_fw_addr32(ent->t278.data_addr)); ^~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:763:1: note: 'x' was declared here qla27xx_fwdt_entry_t278(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:767:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong cmd_addr = le32_to_cpu(*qla_fw_addr32(ent->t278.cmd_addr)); ^~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:763:1: note: 'x' was declared here qla27xx_fwdt_entry_t278(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t277': drivers/scsi/qla2xxx/qla_tmpl.c:33:18: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(__le32 *)buf = cpu_to_le32(value); drivers/scsi/qla2xxx/qla_tmpl.c:745:1: note: 'x' was declared here qla27xx_fwdt_entry_t277(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:749:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong cmd_addr = le32_to_cpu(*qla_fw_addr32(ent->t277.cmd_addr)); ^~~~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:751:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong data_addr = le32_to_cpu(*qla_fw_addr32(ent->t277.data_addr)); ^~~~~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t276': drivers/scsi/qla2xxx/qla_tmpl.c:728:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong cond1 = le32_to_cpu(*qla_fw_addr32(ent->t276.cond1)); ^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:729:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong cond2 = le32_to_cpu(*qla_fw_addr32(ent->t276.cond2)); ^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t274': drivers/scsi/qla2xxx/qla_tmpl.c:637:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong type = le32_to_cpu(*qla_fw_addr32(ent->t274.queue_type)); ^~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t270': drivers/scsi/qla2xxx/qla_tmpl.c:558:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong dwords = le32_to_cpu(*qla_fw_addr32(ent->t270.count)); ^~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:553:1: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t267': >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:451:1: note: 'x' was declared here qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t261': >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:253:1: note: 'x' was declared here qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t259': >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:218:1: note: 'x' was declared here qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:218:1: note: 'x' was declared here qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:218:1: note: 'x' was declared here qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t258': drivers/scsi/qla2xxx/qla_tmpl.c:206:7: warning: 'x' is used uninitialized in this function [-Wuninitialized] uint count = le16_to_cpu(*qla_fw_addr16(ent->t258.reg_count)); ^~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:198:1: note: 'x' was declared here qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:198:1: note: 'x' was declared here qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t257': >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:181:1: note: 'x' was declared here qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:181:1: note: 'x' was declared here qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t256': drivers/scsi/qla2xxx/qla_tmpl.c:175:2: warning: 'x' is used uninitialized in this function [-Wuninitialized] qla27xx_read_window(reg, addr, offset, count, width, buf, len); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi/qla2xxx/qla_def.h:13, from drivers/scsi/qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:164:1: note: 'x' was declared here qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/byteorder/little_endian.h:5, from arch/ia64/include/uapi/asm/byteorder.h:5, from include/asm-generic/bitops/le.h:6, from arch/ia64/include/asm/bitops.h:448, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from drivers/scsi/qla2xxx/qla_def.h:10, from drivers/scsi/qla2xxx/qla_tmpl.c:7: drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_walk_template': include/uapi/linux/byteorder/little_endian.h:34:27: warning: 'x' is used uninitialized in this function [-Wuninitialized] #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ drivers/scsi/qla2xxx/qla_tmpl.c:839:1: note: 'x' was declared here qla27xx_walk_template(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:844:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong count = le32_to_cpu(*qla_fw_addr32(tmp->entry_count)); ^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:830:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] while (list->type < type) ^ drivers/scsi/qla2xxx/qla_tmpl.c:839:1: note: 'x' was declared here qla27xx_walk_template(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t275': drivers/scsi/qla2xxx/qla_tmpl.c:700:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong length = le32_to_cpu(*qla_fw_addr32(ent->t275.length)); ^~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:701:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong size = le32_to_cpu(*qla_fw_addr32(ent->hdr.size)); ^~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t272': drivers/scsi/qla2xxx/qla_tmpl.c:594:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong dwords = le32_to_cpu(*qla_fw_addr32(ent->t272.count)); ^~~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:595:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong start = le32_to_cpu(*qla_fw_addr32(ent->t272.addr)); ^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t262': drivers/scsi/qla2xxx/qla_tmpl.c:272:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong start = le32_to_cpu(*qla_fw_addr32(ent->t262.start_addr)); ^~~~~ drivers/scsi/qla2xxx/qla_tmpl.c:273:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong end = le32_to_cpu(*qla_fw_addr32(ent->t262.end_addr)); ^~~ drivers/scsi/qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_template_valid': drivers/scsi/qla2xxx/qla_tmpl.c:990:3: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ql_log(ql_log_warn, NULL, 0xd01c, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "%s: template type %x\n", __func__, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ le32_to_cpu(*qla_fw_addr32(tmp->template_type))); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_other': drivers/scsi//qla2xxx/qla_tmpl.c:784:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong type = le32_to_cpu(*qla_fw_addr32(ent->hdr.type)); ^~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t278': drivers/scsi//qla2xxx/qla_tmpl.c:769:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong data_addr = le32_to_cpu(*qla_fw_addr32(ent->t278.data_addr)); ^~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:763:1: note: 'x' was declared here qla27xx_fwdt_entry_t278(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:767:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong cmd_addr = le32_to_cpu(*qla_fw_addr32(ent->t278.cmd_addr)); ^~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:763:1: note: 'x' was declared here qla27xx_fwdt_entry_t278(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t277': drivers/scsi//qla2xxx/qla_tmpl.c:33:18: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(__le32 *)buf = cpu_to_le32(value); drivers/scsi//qla2xxx/qla_tmpl.c:745:1: note: 'x' was declared here qla27xx_fwdt_entry_t277(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:749:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong cmd_addr = le32_to_cpu(*qla_fw_addr32(ent->t277.cmd_addr)); ^~~~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:751:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong data_addr = le32_to_cpu(*qla_fw_addr32(ent->t277.data_addr)); ^~~~~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t276': drivers/scsi//qla2xxx/qla_tmpl.c:728:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong cond1 = le32_to_cpu(*qla_fw_addr32(ent->t276.cond1)); ^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:729:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong cond2 = le32_to_cpu(*qla_fw_addr32(ent->t276.cond2)); ^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t274': drivers/scsi//qla2xxx/qla_tmpl.c:637:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong type = le32_to_cpu(*qla_fw_addr32(ent->t274.queue_type)); ^~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t270': drivers/scsi//qla2xxx/qla_tmpl.c:558:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong dwords = le32_to_cpu(*qla_fw_addr32(ent->t270.count)); ^~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:553:1: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t267': >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:451:1: note: 'x' was declared here qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t261': >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:253:1: note: 'x' was declared here qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t259': >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:218:1: note: 'x' was declared here qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:218:1: note: 'x' was declared here qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:218:1: note: 'x' was declared here qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t258': drivers/scsi//qla2xxx/qla_tmpl.c:206:7: warning: 'x' is used uninitialized in this function [-Wuninitialized] uint count = le16_to_cpu(*qla_fw_addr16(ent->t258.reg_count)); ^~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:198:1: note: 'x' was declared here qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:198:1: note: 'x' was declared here qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t257': >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:181:1: note: 'x' was declared here qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:181:1: note: 'x' was declared here qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t256': drivers/scsi//qla2xxx/qla_tmpl.c:175:2: warning: 'x' is used uninitialized in this function [-Wuninitialized] qla27xx_read_window(reg, addr, offset, count, width, buf, len); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/ia64/include/asm/smp.h:21, from include/linux/smp.h:68, from include/linux/topology.h:33, from include/linux/gfp.h:9, from include/linux/umh.h:4, from include/linux/kmod.h:22, from include/linux/module.h:13, from drivers/scsi//qla2xxx/qla_def.h:13, from drivers/scsi//qla2xxx/qla_tmpl.c:7: >> arch/ia64/include/asm/io.h:362:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] *(volatile unsigned int __force *) addr = val; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:164:1: note: 'x' was declared here qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/byteorder/little_endian.h:5, from arch/ia64/include/uapi/asm/byteorder.h:5, from include/asm-generic/bitops/le.h:6, from arch/ia64/include/asm/bitops.h:448, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from drivers/scsi//qla2xxx/qla_def.h:10, from drivers/scsi//qla2xxx/qla_tmpl.c:7: drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_walk_template': include/uapi/linux/byteorder/little_endian.h:34:27: warning: 'x' is used uninitialized in this function [-Wuninitialized] #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ drivers/scsi//qla2xxx/qla_tmpl.c:839:1: note: 'x' was declared here qla27xx_walk_template(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:844:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong count = le32_to_cpu(*qla_fw_addr32(tmp->entry_count)); ^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:830:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] while (list->type < type) ^ drivers/scsi//qla2xxx/qla_tmpl.c:839:1: note: 'x' was declared here qla27xx_walk_template(struct scsi_qla_host *vha, ^~~~~~~~~~~~~~~~~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t275': drivers/scsi//qla2xxx/qla_tmpl.c:700:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong length = le32_to_cpu(*qla_fw_addr32(ent->t275.length)); ^~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:701:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong size = le32_to_cpu(*qla_fw_addr32(ent->hdr.size)); ^~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t272': drivers/scsi//qla2xxx/qla_tmpl.c:594:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong dwords = le32_to_cpu(*qla_fw_addr32(ent->t272.count)); ^~~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:595:8: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ulong start = le32_to_cpu(*qla_fw_addr32(ent->t272.addr)); ^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_entry_t262': drivers/scsi//qla2xxx/qla_tmpl.c:272:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong start = le32_to_cpu(*qla_fw_addr32(ent->t262.start_addr)); ^~~~~ drivers/scsi//qla2xxx/qla_tmpl.c:273:8: warning: 'x' is used uninitialized in this function [-Wuninitialized] ulong end = le32_to_cpu(*qla_fw_addr32(ent->t262.end_addr)); ^~~ drivers/scsi//qla2xxx/qla_tmpl.c: In function 'qla27xx_fwdt_template_valid': drivers/scsi//qla2xxx/qla_tmpl.c:990:3: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] ql_log(ql_log_warn, NULL, 0xd01c, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "%s: template type %x\n", __func__, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ le32_to_cpu(*qla_fw_addr32(tmp->template_type))); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/x +362 arch/ia64/include/asm/io.h ^1da177e include/asm-ia64/io.h Linus Torvalds 2005-04-16 358 ^1da177e include/asm-ia64/io.h Linus Torvalds 2005-04-16 359 static inline void ^1da177e include/asm-ia64/io.h Linus Torvalds 2005-04-16 360 __writel (unsigned int val, volatile void __iomem *addr) ^1da177e include/asm-ia64/io.h Linus Torvalds 2005-04-16 361 { ^1da177e include/asm-ia64/io.h Linus Torvalds 2005-04-16 @362 *(volatile unsigned int __force *) addr = val; ^1da177e include/asm-ia64/io.h Linus Torvalds 2005-04-16 363 } ^1da177e include/asm-ia64/io.h Linus Torvalds 2005-04-16 364 :::::: The code at line 362 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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