# git rev-parse -q --verify f7a6947cd49b7ff4e03f1b4f7e7b223003d752ca^{commit} f7a6947cd49b7ff4e03f1b4f7e7b223003d752ca already have revision, skipping fetch # git checkout -q -f -B kisskb f7a6947cd49b7ff4e03f1b4f7e7b223003d752ca # git clean -qxdf # < git log -1 # commit f7a6947cd49b7ff4e03f1b4f7e7b223003d752ca # Author: Michael Ellerman # Date: Tue Jul 10 16:20:56 2018 +1000 # # powerpc/uaccess: Enable get_user(u64, *p) on 32-bit # # Currently if you build a 32-bit powerpc kernel and use get_user() to # load a u64 value it will fail to build with eg: # # kernel/rseq.o: In function `rseq_get_rseq_cs': # kernel/rseq.c:123: undefined reference to `__get_user_bad' # # This is hitting the check in __get_user_size() that makes sure the # size we're copying doesn't exceed the size of the destination: # # #define __get_user_size(x, ptr, size, retval) # do { # retval = 0; # __chk_user_ptr(ptr); # if (size > sizeof(x)) # (x) = __get_user_bad(); # # Which doesn't immediately make sense because the size of the # destination is u64, but it's not really, because __get_user_check() # etc. internally create an unsigned long and copy into that: # # #define __get_user_check(x, ptr, size) # ({ # long __gu_err = -EFAULT; # unsigned long __gu_val = 0; # # The problem being that on 32-bit unsigned long is not big enough to # hold a u64. We can fix this with a trick from hpa in the x86 code, we # statically check the type of x and set the type of __gu_val to either # unsigned long or unsigned long long. # # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 f7a6947cd49b7ff4e03f1b4f7e7b223003d752ca # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- randconfig KCONFIG_SEED=0x51A325BC # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- olddefconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/arch/powerpc/kernel/eeh.c:1752:12: warning: 'proc_eeh_show' defined but not used [-Wunused-function] /kisskb/src/arch/powerpc/sysdev/xive/common.c: In function 'xive_scan_interrupts': /kisskb/src/arch/powerpc/sysdev/xive/common.c:181:2: warning: 'prio' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/sysdev/xive/spapr.c: In function 'xive_spapr_init': /kisskb/src/arch/powerpc/sysdev/xive/spapr.c:727:2: warning: 'max_prio' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/fs/afs/dir.c: In function 'afs_dir_set_page_dirty': /kisskb/src/fs/afs/dir.c:52:1: warning: no return statement in function returning non-void [-Wreturn-type] /kisskb/src/drivers/base/regmap/regcache-rbtree.c: In function 'regcache_rbtree_write': /kisskb/src/drivers/base/regmap/regcache-rbtree.c:288:20: warning: 'new_top_reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regcache-rbtree.c:403:30: note: 'new_top_reg' was declared here /kisskb/src/drivers/base/regmap/regcache-rbtree.c:288:20: warning: 'new_base_reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regcache-rbtree.c:403:16: note: 'new_base_reg' was declared here /kisskb/src/fs/afs/dynroot.c: In function 'afs_dynroot_lookup': /kisskb/src/fs/afs/dynroot.c:126:6: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/afs/dynroot.c:100:6: note: 'len' was declared here /kisskb/src/mm/vmstat.c: In function 'sysctl_vm_numa_stat_handler': /kisskb/src/mm/vmstat.c:89:2: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/platforms/pseries/pci.c: In function 'pseries_root_bridge_prepare': /kisskb/src/arch/powerpc/platforms/pseries/pci.c:309:2: warning: 'rc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-sysfs.c: In function 'queue_wb_lat_store': /kisskb/src/block/blk-sysfs.c:441:2: warning: 'val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1819:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_bulk_read': /kisskb/src/drivers/base/regmap/regmap.c:2638:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c: In function '__blk_recalc_rq_segments': /kisskb/src/block/blk-merge.c:294:2: warning: 'bbio' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/ahci_qoriq.c: In function 'ahci_qoriq_hardreset': /kisskb/src/drivers/ata/ahci_qoriq.c:132:3: warning: 'px_is' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/core/pcm_iec958.c: In function 'create_iec958_consumer': /kisskb/src/sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/uuid-tree.c: In function 'btrfs_uuid_tree_add': /kisskb/src/fs/btrfs/uuid-tree.c:139:21: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/uuid-tree.c:140:25: warning: 'eb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c: In function 'run_delalloc_nocow': /kisskb/src/fs/btrfs/inode.c:1492:7: warning: 'ram_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1492:7: warning: 'disk_num_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1490:8: warning: 'extent_offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields': /kisskb/src/kernel/rcu/srcutree.c:146:32: warning: 'levelspread[]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:94:6: note: 'levelspread[]' was declared here /kisskb/src/fs/btrfs/tree-log.c: In function 'btrfs_log_changed_extents': /kisskb/src/fs/btrfs/tree-log.c:4357:9: warning: 'start_slot' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/tree-log.c:4338:6: note: 'start_slot' was declared here /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'btrfs_build_ref_tree': /kisskb/src/fs/btrfs/ref-verify.c:592:4: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c:514:35: note: 'ret' was declared here /kisskb/src/fs/btrfs/ref-verify.c:552:3: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c:450:12: note: 'ret' was declared here /kisskb/src/kernel/rcu/tree.c: In function 'rcu_init_one': /kisskb/src/kernel/rcu/tree.c:3944:21: warning: 'levelspread[]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/swapfile.c: In function '__se_sys_swapon': /kisskb/src/mm/swapfile.c:3230:2: warning: 'nr_extents' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/swapfile.c:3012:6: note: 'nr_extents' was declared here /kisskb/src/fs/btrfs/ioctl.c: In function 'btrfs_dedupe_file_range': /kisskb/src/fs/btrfs/ioctl.c:3528:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/ksm.c: In function 'cmp_and_merge_page': /kisskb/src/mm/ksm.c:1893:16: warning: 'stable_node' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/ksm.c:1808:22: note: 'stable_node' was declared here /kisskb/src/kernel/time/tick-sched.c: In function 'tick_nohz_idle_exit': /kisskb/src/kernel/time/tick-sched.c:1156:32: warning: 'now' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bluetooth/mgmt.c: In function 'read_local_oob_ext_data_complete': /kisskb/src/net/bluetooth/mgmt.c:5748:2: warning: 'r256' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bluetooth/hci_request.h:117:8: warning: 'h256' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bluetooth/mgmt.c:5669:20: note: 'h256' was declared here /kisskb/src/net/bluetooth/mgmt.c:5741:2: warning: 'r192' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bluetooth/hci_request.h:117:8: warning: 'h192' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bluetooth/mgmt.c:5669:6: note: 'h192' was declared here /kisskb/src/fs/fat/namei_vfat.c: In function 'vfat_add_entry': /kisskb/src/fs/fat/namei_vfat.c:344:20: warning: 'ulen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/fat/namei_vfat.c:592:11: note: 'ulen' was declared here /kisskb/src/fs/cifs/smbdirect.c: In function 'smbd_send': /kisskb/src/fs/cifs/smbdirect.c:2096:6: warning: 'rc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/kobject_uevent.c: In function 'kobject_synth_uevent': /kisskb/src/lib/kobject_uevent.c:223:7: warning: 'env' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/kobject_uevent.c:142:10: warning: 'action_args' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/kobject_uevent.c:196:14: note: 'action_args' was declared here /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2823:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_input.c: In function 'br_handle_frame_finish': /kisskb/src/net/bridge/br_input.c:171:22: warning: 'mdst' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/file.c: In function 'f2fs_ioctl': /kisskb/src/fs/f2fs/file.c:1869:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/include/linux/list.h:93:12: warning: 'head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c:225:24: note: 'head' was declared here /kisskb/src/fs/f2fs/sysfs.c:519:12: warning: 'segment_info_seq_show' defined but not used [-Wunused-function] /kisskb/src/fs/f2fs/sysfs.c:546:12: warning: 'segment_bits_seq_show' defined but not used [-Wunused-function] /kisskb/src/fs/f2fs/sysfs.c:570:12: warning: 'iostat_info_seq_show' defined but not used [-Wunused-function] /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/include/linux/seqlock.h:205:9: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/gen_stats.c:138:15: note: 'seq' was declared here /kisskb/src/drivers/hwspinlock/hwspinlock_core.c: In function 'of_hwspin_lock_get_id': /kisskb/src/drivers/hwspinlock/hwspinlock_core.c:328:6: warning: 'id' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence': /kisskb/src/drivers/dma-buf/reservation.c:207:2: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:160:17: note: 'k' was declared here /kisskb/src/drivers/dma-buf/reservation.c:142:3: warning: 'signaled_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:108:9: note: 'signaled_idx' was declared here /kisskb/src/net/bridge/br_netlink.c: In function 'br_afspec': /kisskb/src/net/bridge/br_netlink.c:637:4: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/data.c: In function 'f2fs_fiemap': /kisskb/src/fs/f2fs/data.c:1323:7: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/data.c:1273:8: note: 'flags' was declared here /kisskb/src/fs/f2fs/data.c:1323:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/data.c:1272:18: note: 'len' was declared here /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: In function 'amdgpu_device_gpu_recover': /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:3076:6: warning: 'r' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/ipv4/ip_options.c: In function 'ip_options_rcv_srr': /kisskb/src/net/ipv4/ip_options.c:654:16: warning: 'nexthop' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/accel/mma9551_core.c: In function 'mma9551_gpio_config': /kisskb/src/drivers/iio/accel/mma9551_core.c:590:6: warning: 'pol_mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/accel/mma9551.c: In function 'mma9551_event_handler': /kisskb/src/drivers/iio/accel/mma9551.c:381:6: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c: In function 'd_add': /kisskb/src/fs/dcache.c:2444:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2591:11: note: 'n' was declared here /kisskb/src/net/tls/tls_sw.c: In function 'tls_sw_recvmsg': /kisskb/src/net/tls/tls_sw.c:791:10: warning: 'control' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c: In function '__d_move': /kisskb/src/fs/dcache.c:2444:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2783:11: note: 'n' was declared here /kisskb/src/fs/dcache.c: In function 'd_splice_alias': /kisskb/src/fs/dcache.c:2444:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2591:11: note: 'n' was declared here /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3161:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c: In function 'amdgpu_set_pp_od_clk_voltage': /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:532:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/rtnetlink.c: In function 'rtnl_newlink': /kisskb/src/net/core/rtnetlink.c:3099:1: warning: the frame size of 1232 bytes is larger than 1024 bytes [-Wframe-larger-than=] /kisskb/src/drivers/infiniband/ulp/ipoib/ipoib_main.c: In function 'ipoib_intf_alloc': /kisskb/src/drivers/infiniband/ulp/ipoib/ipoib_main.c:2013:21: warning: 'dev' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/cec/cec-api.c: In function 'cec_ioctl': /kisskb/src/drivers/media/cec/cec-api.c:318:2: warning: 'ev_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/cec/cec-api.c:284:15: note: 'ev_idx' was declared here /kisskb/src/drivers/nvme/target/io-cmd-file.c: In function 'nvmet_file_dsm_work': /kisskb/src/drivers/nvme/target/io-cmd-file.c:227:20: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/io-cmd-file.c:214:9: note: 'ret' was declared here /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_fini': /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2605:24: warning: 'fault' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/infiniband/hw/mlx5/main.c: In function 'mlx5_netdev_event': /kisskb/src/drivers/infiniband/hw/mlx5/main.c:216:9: warning: 'port_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/leds/leds-pca955x.c: In function 'pca955x_led_set': /kisskb/src/drivers/leds/leds-pca955x.c:164:2: warning: 'ls' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/leds/leds-pca955x.c:250:5: note: 'ls' was declared here /kisskb/src/net/rxrpc/output.c: In function 'rxrpc_send_data_packet': /kisskb/src/net/rxrpc/output.c:489:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c: In function 'sharp_panel_probe': /kisskb/src/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c:394:19: warning: 'sharp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2786_get_capacity': /kisskb/src/drivers/power/supply/ds2782_battery.c:214:17: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2782_get_capacity': /kisskb/src/drivers/power/supply/ds2782_battery.c:173:12: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2786_get_voltage': /kisskb/src/drivers/power/supply/ds2782_battery.c:201:21: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2786_get_current': /kisskb/src/drivers/power/supply/ds2782_battery.c:185:21: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2782_get_voltage': /kisskb/src/drivers/power/supply/ds2782_battery.c:161:21: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds2782_get_current': /kisskb/src/drivers/power/supply/ds2782_battery.c:145:20: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c:134:2: warning: 'sense_res_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c: In function 'ds278x_battery_get_property': /kisskb/src/drivers/power/supply/ds2782_battery.c:116:16: warning: 'raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/ds2782_battery.c:104:6: note: 'raw' was declared here /kisskb/src/drivers/power/supply/da9052-battery.c: In function 'da9052_bat_check_status': /kisskb/src/drivers/power/supply/da9052-battery.c:266:4: warning: 'chg_end_current' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/infiniband/core/cma.c: In function 'rdma_bind_addr': /kisskb/src/drivers/infiniband/core/cma.c:3266:18: warning: 'sid_ps' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/infiniband/core/cma.c:3246:6: note: 'sid_ps' was declared here /kisskb/src/drivers/iio/light/lv0104cs.c: In function 'lv0104cs_read_raw': /kisskb/src/drivers/iio/light/lv0104cs.c:218:23: warning: 'adc_output' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/lv0104cs.c:164:6: note: 'adc_output' was declared here /kisskb/src/drivers/infiniband/hw/mlx5/qp.c: In function 'mlx5_ib_query_qp': /kisskb/src/drivers/infiniband/hw/mlx5/qp.c:5123:13: warning: 'raw_packet_qp_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/proximity/srf08.c: In function 'srf08_write_sensitivity': /kisskb/src/drivers/iio/proximity/srf08.c:370:6: warning: 'regval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/touchscreen/s6sy761.c: In function 's6sy761_probe': /kisskb/src/drivers/input/touchscreen/s6sy761.c:437:22: warning: 'max_y' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/touchscreen/s6sy761.c:436:22: warning: 'max_x' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c: In function 'mlx90632_read_raw': /kisskb/src/drivers/iio/temperature/mlx90632.c:348:37: warning: 'object_old_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:429:56: note: 'object_old_raw' was declared here /kisskb/src/drivers/iio/temperature/mlx90632.c:348:37: warning: 'object_new_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:429:40: note: 'object_new_raw' was declared here /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c: In function 'drm_atomic_helper_async_check': /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1549:2: warning: 'new_plane_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1545:2: warning: 'old_plane_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1533:8: warning: 'plane' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c: In function 'bnxt_get_eeprom': /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c:1858:23: warning: 'dir_entries' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c:1838:6: note: 'dir_entries' was declared here /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c:1858:23: warning: 'entry_length' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c:1839:6: note: 'entry_length' was declared here /kisskb/src/drivers/gpu/drm/drm_bufs.c: In function 'drm_legacy_rmmap_locked': /kisskb/src/drivers/gpu/drm/drm_bufs.c:526:4: warning: 'master' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/raid5.c: In function 'raid5d': /kisskb/src/drivers/md/raid5.c:6127:3: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/raid5.c:6277:16: note: 'offset' was declared here /kisskb/src/net/sctp/output.c: In function 'sctp_packet_config': /kisskb/src/include/net/sock.h:1863:19: warning: 'sk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/sctp/output.c:94:15: note: 'sk' was declared here /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/ael1002.c: In function 'get_link_status_x': /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/ael1002.c:850:30: warning: 'stat1' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/ael1002.c:850:46: warning: 'stat2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/ael1002.c: In function 'get_link_status_r': /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/ael1002.c:192:21: warning: 'stat1' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/ael1002.c:192:38: warning: 'stat2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/vsc8211.c: In function 'vsc8211_get_link_status_fiber': /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/vsc8211.c:246:3: warning: 'adv' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/vsc8211.c:223:3: warning: 'status' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/vsc8211.c: In function 'vsc8211_get_link_status': /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/vsc8211.c:186:4: warning: 'adv' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/chelsio/cxgb3/vsc8211.c:147:3: warning: 'status' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-stats.c: In function 'dm_jiffies_to_msec64.isra.1': /kisskb/src/drivers/md/dm-stats.c:794:40: warning: 'mult' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_edid.c: In function 'drm_add_edid_modes': /kisskb/src/drivers/gpu/drm/drm_edid.c:3457:2: warning: 'hdmi_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_edid.c:3710:10: note: 'hdmi_len' was declared here /kisskb/src/drivers/md/dm-cache-target.c: In function 'cache_message': /kisskb/src/drivers/md/dm-cache-target.c:3339:8: warning: 'range.end' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-cache-target.c:3356:22: note: 'range.end' was declared here /kisskb/src/drivers/md/dm-cache-target.c:3339:8: warning: 'range.begin' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/dm-cache-target.c:3356:22: note: 'range.begin' was declared here /kisskb/src/drivers/net/ethernet/mellanox/mlx4/alloc.c: In function 'mlx4_zone_alloc_entries': /kisskb/src/drivers/net/ethernet/mellanox/mlx4/alloc.c:414:9: warning: 'uid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx4/alloc.c:340:6: note: 'uid' was declared here /kisskb/src/drivers/gpu/drm/radeon/trinity_dpm.c: In function 'trinity_dpm_pre_set_power_state': /kisskb/src/drivers/gpu/drm/radeon/trinity_dpm.c:1577:30: warning: 'min_vce_voltage' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/radeon/trinity_dpm.c:1544:6: note: 'min_vce_voltage' was declared here /kisskb/src/drivers/md/dm-writecache.c: In function 'persistent_memory_claim': /kisskb/src/drivers/md/dm-writecache.c:308:1: warning: no return statement in function returning non-void [-Wreturn-type] /kisskb/src/drivers/net/ethernet/emulex/benet/be_cmds.c: In function 'be_cmd_get_fat_dump': /kisskb/src/drivers/net/ethernet/emulex/benet/be_cmds.c:1803:6: warning: 'status' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/intersil/hostap/hostap_ap.c:70:12: warning: 'ap_debug_proc_show' defined but not used [-Wunused-function] /kisskb/src/drivers/net/wireless/intersil/hostap/hostap_ap.c:994:12: warning: 'prism2_sta_proc_show' defined but not used [-Wunused-function] /kisskb/src/drivers/net/wireless/intersil/hostap/hostap_proc.c:16:12: warning: 'prism2_debug_proc_show' defined but not used [-Wunused-function] /kisskb/src/drivers/net/wireless/intersil/hostap/hostap_proc.c:49:12: warning: 'prism2_stats_proc_show' defined but not used [-Wunused-function] /kisskb/src/drivers/net/wireless/intersil/hostap/hostap_proc.c:177:12: warning: 'prism2_crypt_proc_show' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-config.c: In function '__vxge_hw_vpath_initialize': /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-config.c:4587:18: warning: 'val32' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c: In function 'gfx_v9_0_sw_init': /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:900:13: warning: 'table_size' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:848:20: note: 'table_size' was declared here /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:897:5: warning: 'table_offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:848:6: note: 'table_offset' was declared here /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:897:5: warning: 'fw_data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c:844:16: note: 'fw_data' was declared here /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c: In function 'gfx_v8_0_sw_init': /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c:1345:13: warning: 'table_size' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c:1290:20: note: 'table_size' was declared here /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c:1342:5: warning: 'table_offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c:1290:6: note: 'table_offset' was declared here /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c:1342:5: warning: 'fw_data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c:1286:16: note: 'fw_data' was declared here /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-main.c: In function 'vxge_tx_msix_handle': /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-main.c:2240:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=] /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-main.c: In function 'vxge_poll_inta': /kisskb/src/drivers/net/ethernet/neterion/vxge/vxge-main.c:1869:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=] /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c: In function 'give_pages': /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c:300:3: warning: 'addr' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../powerplay/smumgr/fiji_smumgr.c: In function 'fiji_init_smc_table': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../powerplay/smumgr/fiji_smumgr.c:1317:15: warning: 'vol_level.Voltage' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/rocker/rocker_ofdpa.c: In function 'ofdpa_port_fib_ipv4.isra.16': /kisskb/src/drivers/net/ethernet/rocker/rocker_ofdpa.c:2299:14: warning: 'index' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx4/mcg.c: In function 'find_entry.isra.6': /kisskb/src/drivers/net/ethernet/mellanox/mlx4/mcg.c:722:9: warning: 'hash' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/rts5208/sd.c: In function 'ext_sd_get_rsp': /kisskb/src/drivers/staging/rts5208/sd.c:4170:7: warning: 'rsp_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_audio.c: In function 'dce_aud_az_configure': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_audio.c:509:6: warning: 'index' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fpga/sdk.c: In function 'mlx5_fpga_mem_read': /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fpga/sdk.c:132:3: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fpga/sdk.c: In function 'mlx5_fpga_mem_write': /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fpga/sdk.c:153:3: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c: In function '__mlx5_create_flow_table': /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:887:3: warning: 'qpn' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:864:6: note: 'qpn' was declared here /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:886:2: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c:863:6: note: 'err' was declared here /kisskb/src/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'mlx4_ALLOC_RES_wrapper': /kisskb/src/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:2038:18: warning: 'smac_index' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:2091:5: note: 'smac_index' was declared here Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc # Build took: 0:04:20.849237