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[openeuler:openEuler-1.0-LTS 1942/1942] arch/arm64/kernel/cpu_errata.c:1323:13: warning: no previous prototype for 'spectre_bhb_patch_loop_iter'
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: cb917077efa4fecd975ab17d6aececdd90abe82e [1942/1942] arm64: Mitigate spectre style branch history side channels config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20251214/202512141546.w5VlxAA3-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141546.w5VlxAA3-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141546.w5VlxAA3-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/arm64/kernel/cpu_errata.c:335:13: warning: no previous prototype for 'arm64_update_smccc_conduit' [-Wmissing-prototypes] 335 | void __init arm64_update_smccc_conduit(struct alt_instr *alt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kernel/cpu_errata.c:357:13: warning: no previous prototype for 'arm64_enable_wa2_handling' [-Wmissing-prototypes] 357 | void __init arm64_enable_wa2_handling(struct alt_instr *alt, | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/arm64/kernel/cpu_errata.c:1323:13: warning: no previous prototype for 'spectre_bhb_patch_loop_iter' [-Wmissing-prototypes] 1323 | void __init spectre_bhb_patch_loop_iter(struct alt_instr *alt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/arm64/include/asm/atomic.h:36, from include/linux/atomic.h:7, from include/asm-generic/bitops/atomic.h:5, from arch/arm64/include/asm/bitops.h:37, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from include/linux/list.h:9, from include/linux/kobject.h:20, from include/linux/device.h:17, from include/linux/node.h:18, from include/linux/cpu.h:17, from arch/arm64/kernel/cpu_errata.c:22: In function '__cmpxchg_case_4', inlined from '__cmpxchg' at arch/arm64/include/asm/cmpxchg.h:140:1, inlined from 'update_mitigation_state' at arch/arm64/kernel/cpu_errata.c:1044:11, inlined from 'spectre_bhb_enable_mitigation' at arch/arm64/kernel/cpu_errata.c:1319:2, inlined from 'spectre_bhb_enable_mitigation' at arch/arm64/kernel/cpu_errata.c:1271:6: >> arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'enum mitigation_state[1]' [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:279:1: note: in expansion of macro '__CMPXCHG_CASE' 279 | __CMPXCHG_CASE(w, , 4, , , , ) | ^~~~~~~~~~~~~~ arch/arm64/kernel/cpu_errata.c: In function 'spectre_bhb_enable_mitigation': arch/arm64/kernel/cpu_errata.c:1058:30: note: object 'spectre_bhb_state' of size 4 1058 | static enum mitigation_state spectre_bhb_state; | ^~~~~~~~~~~~~~~~~ In function '__cmpxchg_case_4', inlined from '__cmpxchg' at arch/arm64/include/asm/cmpxchg.h:140:1, inlined from 'update_mitigation_state' at arch/arm64/kernel/cpu_errata.c:1044:11, inlined from 'spectre_bhb_enable_mitigation' at arch/arm64/kernel/cpu_errata.c:1319:2, inlined from 'spectre_bhb_enable_mitigation' at arch/arm64/kernel/cpu_errata.c:1271:6: >> arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'enum mitigation_state[1]' [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:279:1: note: in expansion of macro '__CMPXCHG_CASE' 279 | __CMPXCHG_CASE(w, , 4, , , , ) | ^~~~~~~~~~~~~~ arch/arm64/kernel/cpu_errata.c: In function 'spectre_bhb_enable_mitigation': arch/arm64/kernel/cpu_errata.c:1058:30: note: object 'spectre_bhb_state' of size 4 1058 | static enum mitigation_state spectre_bhb_state; | ^~~~~~~~~~~~~~~~~ vim +/spectre_bhb_patch_loop_iter +1323 arch/arm64/kernel/cpu_errata.c 1321 1322 /* Patched to correct the immediate */ > 1323 void __init spectre_bhb_patch_loop_iter(struct alt_instr *alt, -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1941/1941] fs/ext4/inode.c:2995:30: warning: unused variable 'sbi'
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: 7b208222f6845875c568d238aeb9db17a1c63d96 [1941/1941] ext4: avoid deadlock in fs reclaim with page writeback config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251214/202512140847.r9ez9W5V-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512140847.r9ez9W5V-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512140847.r9ez9W5V-lkp@intel.com/ All warnings (new ones prefixed by >>): fs/ext4/inode.c: In function 'ext4_dax_writepages': >> fs/ext4/inode.c:2995:30: warning: unused variable 'sbi' [-Wunused-variable] 2995 | struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb); | ^~~ vim +/sbi +2995 fs/ext4/inode.c 64769240bd07f4 Alex Tomas 2008-07-11 2988 5f0663bb4a64f5 Dan Williams 2017-12-21 2989 static int ext4_dax_writepages(struct address_space *mapping, 5f0663bb4a64f5 Dan Williams 2017-12-21 2990 struct writeback_control *wbc) 5f0663bb4a64f5 Dan Williams 2017-12-21 2991 { 5f0663bb4a64f5 Dan Williams 2017-12-21 2992 int ret; 5f0663bb4a64f5 Dan Williams 2017-12-21 2993 long nr_to_write = wbc->nr_to_write; 5f0663bb4a64f5 Dan Williams 2017-12-21 2994 struct inode *inode = mapping->host; 5f0663bb4a64f5 Dan Williams 2017-12-21 @2995 struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb); 7b208222f68458 Jan Kara 2024-06-11 2996 int alloc_ctx; 5f0663bb4a64f5 Dan Williams 2017-12-21 2997 5f0663bb4a64f5 Dan Williams 2017-12-21 2998 if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) 5f0663bb4a64f5 Dan Williams 2017-12-21 2999 return -EIO; 5f0663bb4a64f5 Dan Williams 2017-12-21 3000 7b208222f68458 Jan Kara 2024-06-11 3001 alloc_ctx = ext4_writepages_down_read(inode->i_sb); 5f0663bb4a64f5 Dan Williams 2017-12-21 3002 trace_ext4_writepages(inode, wbc); 5f0663bb4a64f5 Dan Williams 2017-12-21 3003 5f0663bb4a64f5 Dan Williams 2017-12-21 3004 ret = dax_writeback_mapping_range(mapping, inode->i_sb->s_bdev, wbc); 5f0663bb4a64f5 Dan Williams 2017-12-21 3005 trace_ext4_writepages_result(inode, wbc, ret, 5f0663bb4a64f5 Dan Williams 2017-12-21 3006 nr_to_write - wbc->nr_to_write); 7b208222f68458 Jan Kara 2024-06-11 3007 ext4_writepages_up_read(inode->i_sb, alloc_ctx); 5f0663bb4a64f5 Dan Williams 2017-12-21 3008 return ret; 5f0663bb4a64f5 Dan Williams 2017-12-21 3009 } 5f0663bb4a64f5 Dan Williams 2017-12-21 3010 :::::: The code at line 2995 was first introduced by commit :::::: 5f0663bb4a64f588f0a2dd6d1be68d40f9af0086 ext4, dax: introduce ext4_dax_aops :::::: TO: Dan Williams <dan.j.williams(a)intel.com> :::::: CC: Dan Williams <dan.j.williams(a)intel.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3540/3540] kernel/dma/phytium/pswiotlb-mapping.c:400:30: warning: no previous prototype for function 'pswiotlb_clone_orig_dma_ops'
by kernel test robot 14 Dec '25

14 Dec '25

Hi Jiakun, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: cd9eb9b4365b71652b2c2ac58293bea47c9f9302 commit: b0023ec2484f4561c552979b944b208422ba75ea [3540/3540] dma: pswiotlb: Move pswiotlb dma functions behind dma_map_ops config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251214/202512141445.om5m8ocb-lkp@…) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141445.om5m8ocb-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141445.om5m8ocb-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/dma/phytium/pswiotlb-mapping.c:400:30: warning: no previous prototype for function 'pswiotlb_clone_orig_dma_ops' [-Wmissing-prototypes] 400 | struct pswiotlb_dma_map_ops *pswiotlb_clone_orig_dma_ops(struct device *dev, | ^ kernel/dma/phytium/pswiotlb-mapping.c:400:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 400 | struct pswiotlb_dma_map_ops *pswiotlb_clone_orig_dma_ops(struct device *dev, | ^ | static 1 warning generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for DEBUG_FEATURE_BYPASS Depends on [n]: (FAST_SYSCALL [=y] || FAST_IRQ [=y]) && !LOCKDEP [=y] Selected by [y]: - FAST_SYSCALL [=y] - FAST_IRQ [=y] && ARM_GIC_V3 [=y] WARNING: unmet direct dependencies detected for SECURITY_FEATURE_BYPASS Depends on [n]: !ARM64_MTE [=y] && !KASAN_HW_TAGS [=n] && (FAST_SYSCALL [=y] || FAST_IRQ [=y]) Selected by [y]: - FAST_SYSCALL [=y] - FAST_IRQ [=y] && ARM_GIC_V3 [=y] vim +/pswiotlb_clone_orig_dma_ops +400 kernel/dma/phytium/pswiotlb-mapping.c 373 374 static const struct dma_map_ops pswiotlb_noiommu_dma_ops = { 375 .flags = DMA_F_PCI_P2PDMA_SUPPORTED, 376 .alloc = pswiotlb_dma_alloc_distribute, 377 .free = pswiotlb_dma_free_distribute, 378 .alloc_pages = pswiotlb_dma_common_alloc_pages_distribute, 379 .free_pages = pswiotlb_dma_common_free_pages_distribute, 380 .alloc_noncontiguous = pswiotlb_dma_alloc_noncontiguous_distribute, 381 .free_noncontiguous = pswiotlb_dma_free_noncontiguous_distribute, 382 .mmap = pswiotlb_dma_mmap_distribute, 383 .get_sgtable = pswiotlb_dma_get_sgtable_distribute, 384 .map_page = pswiotlb_dma_map_page_attrs_distribute, 385 .unmap_page = pswiotlb_dma_unmap_page_attrs_distribute, 386 .map_sg = pswiotlb_dma_map_sg_attrs_distribute, 387 .unmap_sg = pswiotlb_dma_unmap_sg_attrs_distribute, 388 .sync_single_for_cpu = pswiotlb_dma_sync_single_for_cpu_distribute, 389 .sync_single_for_device = pswiotlb_dma_sync_single_for_device_distribute, 390 .sync_sg_for_cpu = pswiotlb_dma_sync_sg_for_cpu_distribute, 391 .sync_sg_for_device = pswiotlb_dma_sync_sg_for_device_distribute, 392 .map_resource = pswiotlb_dma_map_resource_distribute, 393 .unmap_resource = NULL, 394 .get_merge_boundary = pswiotlb_dma_get_merge_boundary_distribute, 395 .get_required_mask = pswiotlb_dma_get_required_mask_distribute, 396 .dma_supported = pswiotlb_dma_supported_distribute, 397 .max_mapping_size = pswiotlb_dma_max_mapping_size_distribute, 398 .opt_mapping_size = pswiotlb_dma_opt_mapping_size_distribute, 399 }; > 400 struct pswiotlb_dma_map_ops *pswiotlb_clone_orig_dma_ops(struct device *dev, 401 const struct dma_map_ops *ops) 402 { 403 struct pswiotlb_dma_map_ops *new_dma_ops = kmalloc(sizeof(struct pswiotlb_dma_map_ops), 404 GFP_KERNEL); 405 if (!new_dma_ops) 406 return NULL; 407 408 memcpy(new_dma_ops, ops, sizeof(struct pswiotlb_dma_map_ops)); 409 410 return new_dma_ops; 411 } 412 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1942/1942] drivers/bluetooth/.tmp_btmtkuart.o: warning: objtool: missing symbol for section .init.text
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: 7237c4c9ec92e1a4f6ef1f712bf9105d7b392c6a [1942/1942] Bluetooth: mediatek: Add protocol support for MediaTek serial devices config: x86_64-buildonly-randconfig-004-20251213 (https://download.01.org/0day-ci/archive/20251214/202512141453.S1UQNjLI-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1335a05ab8bc8339ce24be3a9da89d8c3f4e0571) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141453.S1UQNjLI-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141453.S1UQNjLI-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/bluetooth/.tmp_btmtkuart.o: warning: objtool: missing symbol for section .init.text -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1942/1942] drivers/iommu/arm-smmu-v3.c:4373:5: warning: no previous prototype for 'arm_smmu_get_dev_user_mpam_en'
by kernel test robot 14 Dec '25

14 Dec '25

Hi Xingang, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: 129938f5dfc8b2d8aaaeda0c565d57076bf5c1cc [1942/1942] iommu/arm-smmu-v3: Add support to enable/disable SMMU user_mpam_en config: arm64-randconfig-002-20251213 (https://download.01.org/0day-ci/archive/20251214/202512141348.7mzFhAqc-lkp@…) compiler: aarch64-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141348.7mzFhAqc-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141348.7mzFhAqc-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/iommu/arm-smmu-v3.c:4299:5: warning: no previous prototype for 'arm_smmu_set_dev_mpam' [-Wmissing-prototypes] 4299 | int arm_smmu_set_dev_mpam(struct device *dev, int ssid, int partid, int pmg, | ^~~~~~~~~~~~~~~~~~~~~ drivers/iommu/arm-smmu-v3.c:4341:5: warning: no previous prototype for 'arm_smmu_get_dev_mpam' [-Wmissing-prototypes] 4341 | int arm_smmu_get_dev_mpam(struct device *dev, int ssid, int *partid, int *pmg, | ^~~~~~~~~~~~~~~~~~~~~ drivers/iommu/arm-smmu-v3.c:4355:5: warning: no previous prototype for 'arm_smmu_set_dev_user_mpam_en' [-Wmissing-prototypes] 4355 | int arm_smmu_set_dev_user_mpam_en(struct device *dev, int user_mpam_en) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/iommu/arm-smmu-v3.c:4373:5: warning: no previous prototype for 'arm_smmu_get_dev_user_mpam_en' [-Wmissing-prototypes] 4373 | int arm_smmu_get_dev_user_mpam_en(struct device *dev, int *user_mpam_en) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 'dev' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 'ssid' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 'partid' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 'pmg' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4301: warning: Function parameter or member 's1mpam' not described in 'arm_smmu_set_dev_mpam' drivers/iommu/arm-smmu-v3.c:4343: warning: Function parameter or member 'ssid' not described in 'arm_smmu_get_dev_mpam' drivers/iommu/arm-smmu-v3.c:4343: warning: Function parameter or member 'partid' not described in 'arm_smmu_get_dev_mpam' drivers/iommu/arm-smmu-v3.c:4343: warning: Function parameter or member 'pmg' not described in 'arm_smmu_get_dev_mpam' drivers/iommu/arm-smmu-v3.c:4343: warning: Function parameter or member 's1mpam' not described in 'arm_smmu_get_dev_mpam' drivers/iommu/arm-smmu-v3.c:4356: warning: Function parameter or member 'dev' not described in 'arm_smmu_set_dev_user_mpam_en' drivers/iommu/arm-smmu-v3.c:4356: warning: Function parameter or member 'user_mpam_en' not described in 'arm_smmu_set_dev_user_mpam_en' drivers/iommu/arm-smmu-v3.c:4374: warning: Function parameter or member 'dev' not described in 'arm_smmu_get_dev_user_mpam_en' drivers/iommu/arm-smmu-v3.c:4374: warning: Function parameter or member 'user_mpam_en' not described in 'arm_smmu_get_dev_user_mpam_en' vim +/arm_smmu_get_dev_user_mpam_en +4373 drivers/iommu/arm-smmu-v3.c 4369 4370 /** 4371 * arm_smmu_get_dev_user_mpam_en() - get user_mpam_en from smmu user cfg0 4372 */ > 4373 int arm_smmu_get_dev_user_mpam_en(struct device *dev, int *user_mpam_en) 4374 { 4375 struct arm_smmu_master_data *master = dev->iommu_fwspec->iommu_priv; 4376 struct arm_smmu_device *smmu = master->domain->smmu; 4377 u32 reg, __iomem *cfg = smmu->base + ARM_SMMU_USER_CFG0; 4378 4379 reg = readl_relaxed(cfg); 4380 *user_mpam_en = FIELD_GET(ARM_SMMU_USER_MPAM_EN, reg); 4381 4382 return 0; 4383 } 4384 EXPORT_SYMBOL(arm_smmu_get_dev_user_mpam_en); 4385 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1941/1941] net/netfilter/nf_conntrack_core.c:1017: warning: Function parameter or member 'reply_hash' not described in 'nf_ct_resolve_clash'
by kernel test robot 14 Dec '25

14 Dec '25

Hi Florian, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: cc12c927ac504e99fc176ea49e85226b6aeadcd5 [1941/1941] netfilter: conntrack: allow insertion of clashing entries config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251214/202512140639.YUx3bpbN-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512140639.YUx3bpbN-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512140639.YUx3bpbN-lkp@intel.com/ All warnings (new ones prefixed by >>): net/netfilter/nf_conntrack_core.c: In function '__nf_conntrack_alloc': net/netfilter/nf_conntrack_core.c:1497:16: warning: array subscript 0 is outside the bounds of an interior zero-length array 'u8[0]' {aka 'unsigned char[]'} [-Wzero-length-bounds] 1497 | memset(&ct->__nfct_init_offset[0], 0, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from net/netfilter/nf_conntrack_core.c:40: ./include/net/netfilter/nf_conntrack.h:88:12: note: while referencing '__nfct_init_offset' 88 | u8 __nfct_init_offset[0]; | ^~~~~~~~~~~~~~~~~~ >> net/netfilter/nf_conntrack_core.c:1017: warning: Function parameter or member 'reply_hash' not described in 'nf_ct_resolve_clash' >> net/netfilter/nf_conntrack_core.c:1017: warning: Excess function parameter 'hash_reply' description in 'nf_ct_resolve_clash' vim +1017 net/netfilter/nf_conntrack_core.c cc12c927ac504e Florian Westphal 2023-11-02 980 6199b71796bcaa Florian Westphal 2023-11-02 981 /** 6199b71796bcaa Florian Westphal 2023-11-02 982 * nf_ct_resolve_clash - attempt to handle clash without packet drop 6199b71796bcaa Florian Westphal 2023-11-02 983 * 6199b71796bcaa Florian Westphal 2023-11-02 984 * @skb: skb that causes the clash 6199b71796bcaa Florian Westphal 2023-11-02 985 * @h: tuplehash of the clashing entry already in table cc12c927ac504e Florian Westphal 2023-11-02 986 * @hash_reply: hash slot for reply direction 6199b71796bcaa Florian Westphal 2023-11-02 987 * 6199b71796bcaa Florian Westphal 2023-11-02 988 * A conntrack entry can be inserted to the connection tracking table 6199b71796bcaa Florian Westphal 2023-11-02 989 * if there is no existing entry with an identical tuple. 6199b71796bcaa Florian Westphal 2023-11-02 990 * 6199b71796bcaa Florian Westphal 2023-11-02 991 * If there is one, @skb (and the assocated, unconfirmed conntrack) has 6199b71796bcaa Florian Westphal 2023-11-02 992 * to be dropped. In case @skb is retransmitted, next conntrack lookup 6199b71796bcaa Florian Westphal 2023-11-02 993 * will find the already-existing entry. 6199b71796bcaa Florian Westphal 2023-11-02 994 * 6199b71796bcaa Florian Westphal 2023-11-02 995 * The major problem with such packet drop is the extra delay added by 6199b71796bcaa Florian Westphal 2023-11-02 996 * the packet loss -- it will take some time for a retransmit to occur 6199b71796bcaa Florian Westphal 2023-11-02 997 * (or the sender to time out when waiting for a reply). 6199b71796bcaa Florian Westphal 2023-11-02 998 * 6199b71796bcaa Florian Westphal 2023-11-02 999 * This function attempts to handle the situation without packet drop. 6199b71796bcaa Florian Westphal 2023-11-02 1000 * 6199b71796bcaa Florian Westphal 2023-11-02 1001 * If @skb has no NAT transformation or if the colliding entries are 6199b71796bcaa Florian Westphal 2023-11-02 1002 * exactly the same, only the to-be-confirmed conntrack entry is discarded 6199b71796bcaa Florian Westphal 2023-11-02 1003 * and @skb is associated with the conntrack entry already in the table. 6199b71796bcaa Florian Westphal 2023-11-02 1004 * cc12c927ac504e Florian Westphal 2023-11-02 1005 * Failing that, the new, unconfirmed conntrack is still added to the table cc12c927ac504e Florian Westphal 2023-11-02 1006 * provided that the collision only occurs in the ORIGINAL direction. cc12c927ac504e Florian Westphal 2023-11-02 1007 * The new entry will be added after the existing one in the hash list, cc12c927ac504e Florian Westphal 2023-11-02 1008 * so packets in the ORIGINAL direction will continue to match the existing cc12c927ac504e Florian Westphal 2023-11-02 1009 * entry. The new entry will also have a fixed timeout so it expires -- cc12c927ac504e Florian Westphal 2023-11-02 1010 * due to the collision, it will not see bidirectional traffic. cc12c927ac504e Florian Westphal 2023-11-02 1011 * 6199b71796bcaa Florian Westphal 2023-11-02 1012 * Returns NF_DROP if the clash could not be resolved. 6199b71796bcaa Florian Westphal 2023-11-02 1013 */ 115dffa33ea6f5 Florian Westphal 2023-11-02 1014 static __cold noinline int cc12c927ac504e Florian Westphal 2023-11-02 1015 nf_ct_resolve_clash(struct sk_buff *skb, struct nf_conntrack_tuple_hash *h, cc12c927ac504e Florian Westphal 2023-11-02 1016 u32 reply_hash) 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 @1017 { 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1018 /* This is the conntrack entry already in hashes that won race. */ 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1019 struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h); b3480fe059ac91 Florian Westphal 2017-08-12 1020 const struct nf_conntrack_l4proto *l4proto; 6199b71796bcaa Florian Westphal 2023-11-02 1021 enum ip_conntrack_info ctinfo; 6199b71796bcaa Florian Westphal 2023-11-02 1022 struct nf_conn *loser_ct; 6199b71796bcaa Florian Westphal 2023-11-02 1023 struct net *net; 94ebb264459f97 Florian Westphal 2023-11-02 1024 int ret; 6199b71796bcaa Florian Westphal 2023-11-02 1025 6199b71796bcaa Florian Westphal 2023-11-02 1026 loser_ct = nf_ct_get(skb, &ctinfo); 94ebb264459f97 Florian Westphal 2023-11-02 1027 net = nf_ct_net(loser_ct); 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1028 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1029 l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct)); 6199b71796bcaa Florian Westphal 2023-11-02 1030 if (!l4proto->allow_clash) 6199b71796bcaa Florian Westphal 2023-11-02 1031 goto drop; 6199b71796bcaa Florian Westphal 2023-11-02 1032 94ebb264459f97 Florian Westphal 2023-11-02 1033 ret = __nf_ct_resolve_clash(skb, h); 94ebb264459f97 Florian Westphal 2023-11-02 1034 if (ret == NF_ACCEPT) 94ebb264459f97 Florian Westphal 2023-11-02 1035 return ret; 6199b71796bcaa Florian Westphal 2023-11-02 1036 cc12c927ac504e Florian Westphal 2023-11-02 1037 ret = nf_ct_resolve_clash_harder(skb, reply_hash); cc12c927ac504e Florian Westphal 2023-11-02 1038 if (ret == NF_ACCEPT) cc12c927ac504e Florian Westphal 2023-11-02 1039 return ret; cc12c927ac504e Florian Westphal 2023-11-02 1040 6199b71796bcaa Florian Westphal 2023-11-02 1041 drop: 94ebb264459f97 Florian Westphal 2023-11-02 1042 nf_ct_add_to_dying_list(loser_ct); 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1043 NF_CT_STAT_INC(net, drop); 94ebb264459f97 Florian Westphal 2023-11-02 1044 NF_CT_STAT_INC(net, insert_failed); 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1045 return NF_DROP; 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1046 } 71d8c47fc65371 Pablo Neira Ayuso 2016-05-01 1047 :::::: The code at line 1017 was first introduced by commit :::::: 71d8c47fc653711c41bc3282e5b0e605b3727956 netfilter: conntrack: introduce clash resolution on insertion race :::::: TO: Pablo Neira Ayuso <pablo(a)netfilter.org> :::::: CC: Pablo Neira Ayuso <pablo(a)netfilter.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1942/1942] drivers/mailbox/qcom-apcs-ipc-mailbox.c:65:28: warning: unused variable 'apcs_clk_match_table'
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: c41cf355c959721c7269cc5ee7c6901cb47424a7 [1942/1942] mbox: qcom: add APCS child device for QCS404 config: x86_64-buildonly-randconfig-003-20251213 (https://download.01.org/0day-ci/archive/20251214/202512141257.ePsbbIqL-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1335a05ab8bc8339ce24be3a9da89d8c3f4e0571) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141257.ePsbbIqL-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141257.ePsbbIqL-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/mailbox/qcom-apcs-ipc-mailbox.c:65:28: warning: unused variable 'apcs_clk_match_table' [-Wunused-variable] 65 | const struct of_device_id apcs_clk_match_table[] = { | ^~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +/apcs_clk_match_table +65 drivers/mailbox/qcom-apcs-ipc-mailbox.c 55 56 static int qcom_apcs_ipc_probe(struct platform_device *pdev) 57 { 58 struct qcom_apcs_ipc *apcs; 59 struct regmap *regmap; 60 struct resource *res; 61 unsigned long offset; 62 void __iomem *base; 63 unsigned long i; 64 int ret; > 65 const struct of_device_id apcs_clk_match_table[] = { 66 { .compatible = "qcom,msm8916-apcs-kpss-global", }, 67 { .compatible = "qcom,qcs404-apcs-apps-global", }, 68 {} 69 }; 70 71 apcs = devm_kzalloc(&pdev->dev, sizeof(*apcs), GFP_KERNEL); 72 if (!apcs) 73 return -ENOMEM; 74 75 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 76 base = devm_ioremap_resource(&pdev->dev, res); 77 if (IS_ERR(base)) 78 return PTR_ERR(base); 79 80 regmap = devm_regmap_init_mmio(&pdev->dev, base, &apcs_regmap_config); 81 if (IS_ERR(regmap)) 82 return PTR_ERR(regmap); 83 84 offset = (unsigned long)of_device_get_match_data(&pdev->dev); 85 86 apcs->regmap = regmap; 87 apcs->offset = offset; 88 89 /* Initialize channel identifiers */ 90 for (i = 0; i < ARRAY_SIZE(apcs->mbox_chans); i++) 91 apcs->mbox_chans[i].con_priv = (void *)i; 92 93 apcs->mbox.dev = &pdev->dev; 94 apcs->mbox.ops = &qcom_apcs_ipc_ops; 95 apcs->mbox.chans = apcs->mbox_chans; 96 apcs->mbox.num_chans = ARRAY_SIZE(apcs->mbox_chans); 97 98 ret = mbox_controller_register(&apcs->mbox); 99 if (ret) { 100 dev_err(&pdev->dev, "failed to register APCS IPC controller\n"); 101 return ret; 102 } 103 104 if (of_match_device(apcs_clk_match_table, &pdev->dev)) { 105 apcs->clk = platform_device_register_data(&pdev->dev, 106 "qcom-apcs-msm8916-clk", 107 -1, NULL, 0); 108 if (IS_ERR(apcs->clk)) 109 dev_err(&pdev->dev, "failed to register APCS clk\n"); 110 } 111 112 platform_set_drvdata(pdev, apcs); 113 114 return 0; 115 } 116 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1941/1941] drivers/net/ethernet/stmicro/stmmac/dwmac-phytium.c:159:34: warning: returning 'void *' from a function with return type 'int' makes integer from pointer without a cast
by kernel test robot 14 Dec '25

14 Dec '25

Hi wangzhimin, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: af48889301db8235deab66a8822e3e00195ca14b [1941/1941] dwmac:add phytium dwmac driver config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251214/202512141252.2tD3yXYS-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141252.2tD3yXYS-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141252.2tD3yXYS-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/net/ethernet/stmicro/stmmac/dwmac-phytium.c: In function 'phytium_dwmac_probe': drivers/net/ethernet/stmicro/stmmac/dwmac-phytium.c:157:29: warning: ordered comparison of pointer with integer zero [-Wextra] 157 | if (stmmac_res.addr < 0) { | ^ >> drivers/net/ethernet/stmicro/stmmac/dwmac-phytium.c:159:34: warning: returning 'void *' from a function with return type 'int' makes integer from pointer without a cast [-Wint-conversion] 159 | return stmmac_res.addr; | ~~~~~~~~~~^~~~~ drivers/net/ethernet/stmicro/stmmac/dwmac-phytium.c: At top level: drivers/net/ethernet/stmicro/stmmac/dwmac-phytium.c:172:5: warning: no previous prototype for 'phytium_dwmac_remove' [-Wmissing-prototypes] 172 | int phytium_dwmac_remove(struct platform_device *pdev) | ^~~~~~~~~~~~~~~~~~~~ vim +159 drivers/net/ethernet/stmicro/stmmac/dwmac-phytium.c 32 33 static int phytium_dwmac_probe(struct platform_device *pdev) 34 { 35 struct fwnode_handle *fwnode = dev_fwnode(&pdev->dev); 36 struct plat_stmmacenet_data *plat; 37 struct stmmac_resources stmmac_res; 38 struct device_node *np = pdev->dev.of_node; 39 struct resource *res; 40 u64 clk_freq; 41 char clk_name[20]; 42 int ret; 43 44 plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL); 45 if (!plat) 46 return -ENOMEM; 47 48 plat->dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*plat->dma_cfg), 49 GFP_KERNEL); 50 if (!plat->dma_cfg) 51 return -ENOMEM; 52 53 plat->axi = devm_kzalloc(&pdev->dev, sizeof(*plat->axi), GFP_KERNEL); 54 if (!plat->axi) 55 return -ENOMEM; 56 57 plat->interface = device_get_phy_mode(&pdev->dev); 58 if (plat->interface < 0) 59 return plat->interface; 60 61 /* Configure PHY if using device-tree */ 62 if (pdev->dev.of_node) 63 plat->phy_node = of_parse_phandle(np, "phy-handle", 0); 64 65 if (pdev->dev.of_node) { 66 plat->bus_id = of_alias_get_id(np, "ethernet"); 67 if (plat->bus_id < 0) 68 plat->bus_id = 0; 69 } else if (fwnode_property_read_u32(fwnode, "bus_id", &plat->bus_id)) { 70 plat->bus_id = 2; 71 } 72 73 plat->phy_addr = -1; 74 plat->clk_csr = -1; 75 plat->has_gmac = 1; 76 plat->enh_desc = 1; 77 plat->bugged_jumbo = 1; 78 plat->pmt = 1; 79 plat->force_sf_dma_mode = 1; 80 81 if (fwnode_property_read_u32(fwnode, "max-speed", &plat->max_speed)) 82 plat->max_speed = -1; 83 84 if (fwnode_property_read_u32(fwnode, "max-frame-size", &plat->maxmtu)) 85 plat->maxmtu = JUMBO_LEN; 86 87 if (fwnode_property_read_u32(fwnode, "snps,multicast-filter-bins", 88 &plat->multicast_filter_bins)) 89 plat->multicast_filter_bins = HASH_TABLE_SIZE; 90 91 if (fwnode_property_read_u32(fwnode, "snps,perfect-filter-entries", 92 &plat->unicast_filter_entries)) 93 plat->unicast_filter_entries = 1; 94 95 if (fwnode_property_read_u32(fwnode, "tx-fifo-depth", 96 &plat->tx_fifo_size)) 97 plat->tx_fifo_size = 0x1000; 98 99 if (fwnode_property_read_u32(fwnode, "rx-fifo-depth", 100 &plat->rx_fifo_size)) 101 plat->rx_fifo_size = 0x1000; 102 103 if (phytium_dwmac_acpi_phy(plat, fwnode, &pdev->dev)) 104 return -ENODEV; 105 106 plat->rx_queues_to_use = 1; 107 plat->tx_queues_to_use = 1; 108 plat->rx_queues_cfg[0].mode_to_use = MTL_QUEUE_DCB; 109 plat->tx_queues_cfg[0].mode_to_use = MTL_QUEUE_DCB; 110 111 if (fwnode_property_read_u64(fwnode, "clock-frequency", &clk_freq)) 112 clk_freq = 125000000; 113 114 /* Set system clock */ 115 snprintf(clk_name, sizeof(clk_name), "%s-%d", "stmmaceth", 116 plat->bus_id); 117 118 plat->stmmac_clk = clk_register_fixed_rate(&pdev->dev, clk_name, 119 NULL, 0, clk_freq); 120 if (IS_ERR(plat->stmmac_clk)) { 121 dev_warn(&pdev->dev, "Fail to register stmmac-clk\n"); 122 plat->stmmac_clk = NULL; 123 } 124 125 ret = clk_prepare_enable(plat->stmmac_clk); 126 if (ret) { 127 clk_unregister_fixed_rate(plat->stmmac_clk); 128 return ret; 129 } 130 131 plat->clk_ptp_rate = clk_get_rate(plat->stmmac_clk); 132 plat->clk_ptp_ref = NULL; 133 134 if (fwnode_property_read_u32(fwnode, "snps,pbl", &plat->dma_cfg->pbl)) 135 plat->dma_cfg->pbl = 16; 136 137 fwnode_property_read_u32(fwnode, "snps,txpbl", &plat->dma_cfg->txpbl); 138 fwnode_property_read_u32(fwnode, "snps,rxpbl", &plat->dma_cfg->rxpbl); 139 140 plat->dma_cfg->pblx8 = !fwnode_property_read_bool(fwnode, 141 "snps,no-pbl-x8"); 142 plat->dma_cfg->aal = fwnode_property_read_bool(fwnode, "snps,aal"); 143 plat->dma_cfg->fixed_burst = fwnode_property_read_bool(fwnode, 144 "snps,fixed-burst"); 145 plat->dma_cfg->mixed_burst = fwnode_property_read_bool(fwnode, 146 "snps,mixed-burst"); 147 148 plat->axi->axi_lpi_en = false; 149 plat->axi->axi_xit_frm = false; 150 plat->axi->axi_wr_osr_lmt = 7; 151 plat->axi->axi_rd_osr_lmt = 7; 152 plat->axi->axi_blen[0] = 16; 153 154 memset(&stmmac_res, 0, sizeof(stmmac_res)); 155 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 156 stmmac_res.addr = devm_ioremap_resource(&pdev->dev, res); 157 if (stmmac_res.addr < 0) { 158 dev_err(&pdev->dev, "resource map failed.\n"); > 159 return stmmac_res.addr; 160 } 161 stmmac_res.irq = platform_get_irq(pdev, 0); 162 if (stmmac_res.irq < 0) { 163 dev_err(&pdev->dev, "IRQ not found.\n"); 164 return -ENXIO; 165 } 166 stmmac_res.wol_irq = stmmac_res.irq; 167 stmmac_res.lpi_irq = -1; 168 169 return stmmac_dvr_probe(&pdev->dev, plat, &stmmac_res); 170 } 171 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1942/1942] arch/x86/kernel/cpu/hygon.c:439:14: warning: no previous prototype for function 'get_nt_block_copy_mini_len'
by kernel test robot 14 Dec '25

14 Dec '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: 1e3cb18ebe2976b3294e85c3d162736cc3c7c92b [1942/1942] x86: Enhanced copy capabilities for Hygon processor config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20251214/202512141155.8Du6BuMt-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1335a05ab8bc8339ce24be3a9da89d8c3f4e0571) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141155.8Du6BuMt-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512141155.8Du6BuMt-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from <built-in>:2: In file included from include/linux/compiler_types.h:59: include/linux/compiler-clang.h:20:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined] 20 | #define __SANITIZE_ADDRESS__ | ^ <built-in>:353:9: note: previous definition is here 353 | #define __SANITIZE_ADDRESS__ 1 | ^ arch/x86/kernel/cpu/hygon.c:434:6: warning: no previous prototype for function 'set_c86_features_para_invalid' [-Wmissing-prototypes] 434 | void set_c86_features_para_invalid(void) | ^ arch/x86/kernel/cpu/hygon.c:434:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 434 | void set_c86_features_para_invalid(void) | ^ | static >> arch/x86/kernel/cpu/hygon.c:439:14: warning: no previous prototype for function 'get_nt_block_copy_mini_len' [-Wmissing-prototypes] 439 | unsigned int get_nt_block_copy_mini_len(void) | ^ arch/x86/kernel/cpu/hygon.c:439:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 439 | unsigned int get_nt_block_copy_mini_len(void) | ^ | static 3 warnings generated. In file included from <built-in>:2: In file included from include/linux/compiler_types.h:59: include/linux/compiler-clang.h:20:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined] 20 | #define __SANITIZE_ADDRESS__ | ^ <built-in>:353:9: note: previous definition is here 353 | #define __SANITIZE_ADDRESS__ 1 | ^ 1 warning generated. -- In file included from <built-in>:2: In file included from include/linux/compiler_types.h:59: include/linux/compiler-clang.h:20:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined] 20 | #define __SANITIZE_ADDRESS__ | ^ <built-in>:353:9: note: previous definition is here 353 | #define __SANITIZE_ADDRESS__ 1 | ^ >> arch/x86/kernel/fpu/core.c:149:14: warning: no previous prototype for function 'get_fpustate_free_space' [-Wmissing-prototypes] 149 | unsigned int get_fpustate_free_space(struct fpu *fpu) | ^ arch/x86/kernel/fpu/core.c:149:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 149 | unsigned int get_fpustate_free_space(struct fpu *fpu) | ^ | static >> arch/x86/kernel/fpu/core.c:175:14: warning: mixing declarations and code is a C99 extension [-Wdeclaration-after-statement] 175 | struct fpu *fpu = &current->thread.fpu; | ^ 3 warnings generated. In file included from <built-in>:2: In file included from include/linux/compiler_types.h:59: include/linux/compiler-clang.h:20:9: warning: '__SANITIZE_ADDRESS__' macro redefined [-Wmacro-redefined] 20 | #define __SANITIZE_ADDRESS__ | ^ <built-in>:353:9: note: previous definition is here 353 | #define __SANITIZE_ADDRESS__ 1 | ^ 1 warning generated. vim +/get_nt_block_copy_mini_len +439 arch/x86/kernel/cpu/hygon.c 438 > 439 unsigned int get_nt_block_copy_mini_len(void) 440 { 441 unsigned int mini_len = hygon_c86_data.nt_cpy_mini_len; 442 443 return mini_len; 444 } 445 EXPORT_SYMBOL_GPL(get_nt_block_copy_mini_len); 446 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1941/1941] net/netfilter/nf_nat_proto.c:56:6: warning: no previous prototype for 'nf_nat_csum_recalc'
by kernel test robot 14 Dec '25

14 Dec '25

Hi Florian, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: 83abe3a3b85762720192809ac8695ff9255cfd23 [1941/1941] netfilter: nat: remove csum_recalc hook config: arm64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251214/202512140450.2pYUhzO7-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512140450.2pYUhzO7-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512140450.2pYUhzO7-lkp@intel.com/ All warnings (new ones prefixed by >>): >> net/netfilter/nf_nat_proto.c:56:6: warning: no previous prototype for 'nf_nat_csum_recalc' [-Wmissing-prototypes] 56 | void nf_nat_csum_recalc(struct sk_buff *skb, | ^~~~~~~~~~~~~~~~~~ vim +/nf_nat_csum_recalc +56 net/netfilter/nf_nat_proto.c 55 > 56 void nf_nat_csum_recalc(struct sk_buff *skb, -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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