[kbuild-all] drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c:60:27: sparse: sparse: incorrect type in assignment (different base types)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a763d5a5abd65797aec3dd1bf01fe2ccbec32967 commit: ba37b7caf1ed2395cc84d8f823ff933975f1f789 net: ethernet: mtk_eth_soc: add support for initializing the PPE date: 9 months ago config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20211212/202112121654.cCAtAuqE-lk...) 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... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ba37b7caf1ed2395cc84d8f823ff933975f1f789 # 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(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c:60:27: sparse: expected unsigned int drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c:60:27: sparse: got restricted __be32 [usertype] vim +60 drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c 47 48 static void 49 mtk_print_addr(struct seq_file *m, u32 *addr, bool ipv6) 50 { 51 u32 n_addr[4]; 52 int i; 53 54 if (!ipv6) { 55 seq_printf(m, "%pI4h", addr); 56 return; 57 } 58 59 for (i = 0; i < ARRAY_SIZE(n_addr); i++) 61 seq_printf(m, "%pI6", n_addr); 62 } 63 64 static void 65 mtk_print_addr_info(struct seq_file *m, struct mtk_flow_addr_info *ai) 66 { 67 mtk_print_addr(m, ai->src, ai->ipv6); 68 if (ai->src_port) 69 seq_printf(m, ":%d", *ai->src_port); 70 seq_printf(m, "->"); 71 mtk_print_addr(m, ai->dest, ai->ipv6); 72 if (ai->dest_port) 73 seq_printf(m, ":%d", *ai->dest_port); 74 } 75 76 static int 77 mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private, bool bind) 78 { 79 struct mtk_ppe *ppe = m->private; 80 int i, count; 81 82 for (i = 0, count = 0; i < MTK_PPE_ENTRIES; i++) { 83 struct mtk_foe_entry *entry = &ppe->foe_table[i]; 84 struct mtk_foe_mac_info *l2; 85 struct mtk_flow_addr_info ai = {}; 86 unsigned char h_source[ETH_ALEN]; 87 unsigned char h_dest[ETH_ALEN]; 88 int type, state; 89 u32 ib2; 90 91 92 state = FIELD_GET(MTK_FOE_IB1_STATE, entry->ib1); 93 if (!state) 94 continue; 95 96 if (bind && state != MTK_FOE_STATE_BIND) 97 continue; 98 99 type = FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, entry->ib1); 100 seq_printf(m, "%05x %s %7s", i, 101 mtk_foe_entry_state_str(state), 102 mtk_foe_pkt_type_str(type)); 103 104 switch (type) { 105 case MTK_PPE_PKT_TYPE_IPV4_HNAPT: 106 case MTK_PPE_PKT_TYPE_IPV4_DSLITE: 107 ai.src_port = &entry->ipv4.orig.src_port; 108 ai.dest_port = &entry->ipv4.orig.dest_port; 109 fallthrough; 110 case MTK_PPE_PKT_TYPE_IPV4_ROUTE: 111 ai.src = &entry->ipv4.orig.src_ip; 112 ai.dest = &entry->ipv4.orig.dest_ip; 113 break; 114 case MTK_PPE_PKT_TYPE_IPV6_ROUTE_5T: 115 ai.src_port = &entry->ipv6.src_port; 116 ai.dest_port = &entry->ipv6.dest_port; 117 fallthrough; 118 case MTK_PPE_PKT_TYPE_IPV6_ROUTE_3T: 119 case MTK_PPE_PKT_TYPE_IPV6_6RD: 120 ai.src = &entry->ipv6.src_ip; 121 ai.dest = &entry->ipv6.dest_ip; 122 ai.ipv6 = true; 123 break; 124 } 125 126 seq_printf(m, " orig="); 127 mtk_print_addr_info(m, &ai); 128 129 switch (type) { 130 case MTK_PPE_PKT_TYPE_IPV4_HNAPT: 131 case MTK_PPE_PKT_TYPE_IPV4_DSLITE: 132 ai.src_port = &entry->ipv4.new.src_port; 133 ai.dest_port = &entry->ipv4.new.dest_port; 134 fallthrough; 135 case MTK_PPE_PKT_TYPE_IPV4_ROUTE: 136 ai.src = &entry->ipv4.new.src_ip; 137 ai.dest = &entry->ipv4.new.dest_ip; 138 seq_printf(m, " new="); 139 mtk_print_addr_info(m, &ai); 140 break; 141 } 142 143 if (type >= MTK_PPE_PKT_TYPE_IPV4_DSLITE) { 144 l2 = &entry->ipv6.l2; 145 ib2 = entry->ipv6.ib2; 146 } else { 147 l2 = &entry->ipv4.l2; 148 ib2 = entry->ipv4.ib2; 149 } 150 151 *((__be32 *)h_source) = htonl(l2->src_mac_hi); 152 *((__be16 *)&h_source[4]) = htons(l2->src_mac_lo); 153 *((__be32 *)h_dest) = htonl(l2->dest_mac_hi); 154 *((__be16 *)&h_dest[4]) = htons(l2->dest_mac_lo); 155 156 seq_printf(m, " eth=%pM->%pM etype=%04x" 157 " vlan=%d,%d ib1=%08x ib2=%08x\n", 159 l2->vlan1, l2->vlan2, entry->ib1, ib2); 160 } 161 162 return 0; 163 } 164 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org