Messages in this thread | | | Date | Sun, 5 Dec 2021 11:24:56 +0800 | From | kernel test robot <> | Subject | drivers/net/ethernet/mediatek/mtk_ppe_offload.c:89:19: sparse: sparse: cast to restricted __be32 |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 23b55d673d7527b093cd97b7c217c82e70cd1af0 commit: 502e84e2382d92654a2ecbc52cdbdb5a11cdcec7 net: ethernet: mtk_eth_soc: add flow offloading support date: 9 months ago config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20211205/202112051143.BEmnOe4O-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=502e84e2382d92654a2ecbc52cdbdb5a11cdcec7 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 502e84e2382d92654a2ecbc52cdbdb5a11cdcec7 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/dma/ drivers/gpu/drm/msm/ drivers/gpu/drm/tegra/ drivers/interconnect/qcom/ drivers/net/ethernet/mediatek/ drivers/net/vmxnet3/ drivers/net/wireless/mediatek/mt76/mt7915/ drivers/remoteproc/ drivers/scsi/bnx2fc/ drivers/scsi/lpfc/ drivers/staging/ fs/proc/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) >> drivers/net/ethernet/mediatek/mtk_ppe_offload.c:89:19: sparse: sparse: cast to restricted __be32 >> drivers/net/ethernet/mediatek/mtk_ppe_offload.c:93:41: sparse: sparse: restricted __be32 degrades to integer drivers/net/ethernet/mediatek/mtk_ppe_offload.c:46:10: sparse: sparse: Initializer entry defined twice drivers/net/ethernet/mediatek/mtk_ppe_offload.c:47:10: sparse: also defined here
vim +89 drivers/net/ethernet/mediatek/mtk_ppe_offload.c
83 84 85 static int 86 mtk_flow_mangle_ports(const struct flow_action_entry *act, 87 struct mtk_flow_data *data) 88 { > 89 u32 val = ntohl(act->mangle.val); 90 91 switch (act->mangle.offset) { 92 case 0: > 93 if (act->mangle.mask == ~htonl(0xffff)) 94 data->dst_port = cpu_to_be16(val); 95 else 96 data->src_port = cpu_to_be16(val >> 16); 97 break; 98 case 2: 99 data->dst_port = cpu_to_be16(val); 100 break; 101 default: 102 return -EINVAL; 103 } 104 105 return 0; 106 } 107
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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