Hi Bastian, [auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]
config: mips-fuloong2e_defconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 5b4b43e3d9b6dcebef0324965111b8e5a8bcd6e8 # save the attached .config to linux build tree make.cross ARCH=mips All error/warnings (new ones prefixed by >>): net/ipv4/netfilter/arp_tables.c: In function 'arp_packet_match': >> net/ipv4/netfilter/arp_tables.c:102:3: error: implicit declaration of >> function 'dprintf' [-Werror=implicit-function-declaration] dprintf("ARP operation field mismatch.\n"); ^ net/ipv4/netfilter/arp_tables.c: In function 'arp_checkentry': >> net/ipv4/netfilter/arp_tables.c:194:3: error: implicit declaration of >> function 'duprintf' [-Werror=implicit-function-declaration] duprintf("Unknown flag bits set: %08X\n", ^ cc1: some warnings being treated as errors vim +/dprintf +102 net/ipv4/netfilter/arp_tables.c ddc214c4 Eric Dumazet 2009-02-18 96 long ret; ^1da177e Linus Torvalds 2005-04-16 97 e79ec50b Jan Engelhardt 2007-12-17 98 #define FWINV(bool, invflg) ((bool) ^ !!(arpinfo->invflags & (invflg))) ^1da177e Linus Torvalds 2005-04-16 99 ^1da177e Linus Torvalds 2005-04-16 100 if (FWINV((arphdr->ar_op & arpinfo->arpop_mask) != arpinfo->arpop, ^1da177e Linus Torvalds 2005-04-16 101 ARPT_INV_ARPOP)) { ^1da177e Linus Torvalds 2005-04-16 @102 dprintf("ARP operation field mismatch.\n"); ^1da177e Linus Torvalds 2005-04-16 103 dprintf("ar_op: %04x info->arpop: %04x info->arpop_mask: %04x\n", ^1da177e Linus Torvalds 2005-04-16 104 arphdr->ar_op, arpinfo->arpop, arpinfo->arpop_mask); ^1da177e Linus Torvalds 2005-04-16 105 return 0; ^1da177e Linus Torvalds 2005-04-16 106 } ^1da177e Linus Torvalds 2005-04-16 107 ^1da177e Linus Torvalds 2005-04-16 108 if (FWINV((arphdr->ar_hrd & arpinfo->arhrd_mask) != arpinfo->arhrd, ^1da177e Linus Torvalds 2005-04-16 109 ARPT_INV_ARPHRD)) { ^1da177e Linus Torvalds 2005-04-16 110 dprintf("ARP hardware address format mismatch.\n"); ^1da177e Linus Torvalds 2005-04-16 111 dprintf("ar_hrd: %04x info->arhrd: %04x info->arhrd_mask: %04x\n", ^1da177e Linus Torvalds 2005-04-16 112 arphdr->ar_hrd, arpinfo->arhrd, arpinfo->arhrd_mask); ^1da177e Linus Torvalds 2005-04-16 113 return 0; ^1da177e Linus Torvalds 2005-04-16 114 } ^1da177e Linus Torvalds 2005-04-16 115 ^1da177e Linus Torvalds 2005-04-16 116 if (FWINV((arphdr->ar_pro & arpinfo->arpro_mask) != arpinfo->arpro, ^1da177e Linus Torvalds 2005-04-16 117 ARPT_INV_ARPPRO)) { ^1da177e Linus Torvalds 2005-04-16 118 dprintf("ARP protocol address format mismatch.\n"); ^1da177e Linus Torvalds 2005-04-16 119 dprintf("ar_pro: %04x info->arpro: %04x info->arpro_mask: %04x\n", ^1da177e Linus Torvalds 2005-04-16 120 arphdr->ar_pro, arpinfo->arpro, arpinfo->arpro_mask); ^1da177e Linus Torvalds 2005-04-16 121 return 0; ^1da177e Linus Torvalds 2005-04-16 122 } ^1da177e Linus Torvalds 2005-04-16 123 ^1da177e Linus Torvalds 2005-04-16 124 if (FWINV((arphdr->ar_hln & arpinfo->arhln_mask) != arpinfo->arhln, ^1da177e Linus Torvalds 2005-04-16 125 ARPT_INV_ARPHLN)) { ^1da177e Linus Torvalds 2005-04-16 126 dprintf("ARP hardware address length mismatch.\n"); ^1da177e Linus Torvalds 2005-04-16 127 dprintf("ar_hln: %02x info->arhln: %02x info->arhln_mask: %02x\n", ^1da177e Linus Torvalds 2005-04-16 128 arphdr->ar_hln, arpinfo->arhln, arpinfo->arhln_mask); ^1da177e Linus Torvalds 2005-04-16 129 return 0; ^1da177e Linus Torvalds 2005-04-16 130 } ^1da177e Linus Torvalds 2005-04-16 131 ^1da177e Linus Torvalds 2005-04-16 132 src_devaddr = arpptr; ^1da177e Linus Torvalds 2005-04-16 133 arpptr += dev->addr_len; ^1da177e Linus Torvalds 2005-04-16 134 memcpy(&src_ipaddr, arpptr, sizeof(u32)); ^1da177e Linus Torvalds 2005-04-16 135 arpptr += sizeof(u32); ^1da177e Linus Torvalds 2005-04-16 136 tgt_devaddr = arpptr; ^1da177e Linus Torvalds 2005-04-16 137 arpptr += dev->addr_len; ^1da177e Linus Torvalds 2005-04-16 138 memcpy(&tgt_ipaddr, arpptr, sizeof(u32)); ^1da177e Linus Torvalds 2005-04-16 139 ^1da177e Linus Torvalds 2005-04-16 140 if (FWINV(arp_devaddr_compare(&arpinfo->src_devaddr, src_devaddr, dev->addr_len), ^1da177e Linus Torvalds 2005-04-16 141 ARPT_INV_SRCDEVADDR) || ^1da177e Linus Torvalds 2005-04-16 142 FWINV(arp_devaddr_compare(&arpinfo->tgt_devaddr, tgt_devaddr, dev->addr_len), ^1da177e Linus Torvalds 2005-04-16 143 ARPT_INV_TGTDEVADDR)) { ^1da177e Linus Torvalds 2005-04-16 144 dprintf("Source or target device address mismatch.\n"); ^1da177e Linus Torvalds 2005-04-16 145 ^1da177e Linus Torvalds 2005-04-16 146 return 0; ^1da177e Linus Torvalds 2005-04-16 147 } ^1da177e Linus Torvalds 2005-04-16 148 ^1da177e Linus Torvalds 2005-04-16 149 if (FWINV((src_ipaddr & arpinfo->smsk.s_addr) != arpinfo->src.s_addr, ^1da177e Linus Torvalds 2005-04-16 150 ARPT_INV_SRCIP) || ^1da177e Linus Torvalds 2005-04-16 151 FWINV(((tgt_ipaddr & arpinfo->tmsk.s_addr) != arpinfo->tgt.s_addr), ^1da177e Linus Torvalds 2005-04-16 152 ARPT_INV_TGTIP)) { ^1da177e Linus Torvalds 2005-04-16 153 dprintf("Source or target IP address mismatch.\n"); ^1da177e Linus Torvalds 2005-04-16 154 cffee385 Harvey Harrison 2008-10-31 155 dprintf("SRC: %pI4. Mask: %pI4. Target: %pI4.%s\n", cffee385 Harvey Harrison 2008-10-31 156 &src_ipaddr, cffee385 Harvey Harrison 2008-10-31 157 &arpinfo->smsk.s_addr, cffee385 Harvey Harrison 2008-10-31 158 &arpinfo->src.s_addr, ^1da177e Linus Torvalds 2005-04-16 159 arpinfo->invflags & ARPT_INV_SRCIP ? " (INV)" : ""); cffee385 Harvey Harrison 2008-10-31 160 dprintf("TGT: %pI4 Mask: %pI4 Target: %pI4.%s\n", cffee385 Harvey Harrison 2008-10-31 161 &tgt_ipaddr, cffee385 Harvey Harrison 2008-10-31 162 &arpinfo->tmsk.s_addr, cffee385 Harvey Harrison 2008-10-31 163 &arpinfo->tgt.s_addr, ^1da177e Linus Torvalds 2005-04-16 164 arpinfo->invflags & ARPT_INV_TGTIP ? " (INV)" : ""); ^1da177e Linus Torvalds 2005-04-16 165 return 0; ^1da177e Linus Torvalds 2005-04-16 166 } ^1da177e Linus Torvalds 2005-04-16 167 ^1da177e Linus Torvalds 2005-04-16 168 /* Look for ifname matches. */ ddc214c4 Eric Dumazet 2009-02-18 169 ret = ifname_compare(indev, arpinfo->iniface, arpinfo->iniface_mask); ^1da177e Linus Torvalds 2005-04-16 170 ^1da177e Linus Torvalds 2005-04-16 171 if (FWINV(ret != 0, ARPT_INV_VIA_IN)) { ^1da177e Linus Torvalds 2005-04-16 172 dprintf("VIA in mismatch (%s vs %s).%s\n", ^1da177e Linus Torvalds 2005-04-16 173 indev, arpinfo->iniface, ^1da177e Linus Torvalds 2005-04-16 174 arpinfo->invflags&ARPT_INV_VIA_IN ?" (INV)":""); ^1da177e Linus Torvalds 2005-04-16 175 return 0; ^1da177e Linus Torvalds 2005-04-16 176 } ^1da177e Linus Torvalds 2005-04-16 177 ddc214c4 Eric Dumazet 2009-02-18 178 ret = ifname_compare(outdev, arpinfo->outiface, arpinfo->outiface_mask); ^1da177e Linus Torvalds 2005-04-16 179 ^1da177e Linus Torvalds 2005-04-16 180 if (FWINV(ret != 0, ARPT_INV_VIA_OUT)) { ^1da177e Linus Torvalds 2005-04-16 181 dprintf("VIA out mismatch (%s vs %s).%s\n", ^1da177e Linus Torvalds 2005-04-16 182 outdev, arpinfo->outiface, ^1da177e Linus Torvalds 2005-04-16 183 arpinfo->invflags&ARPT_INV_VIA_OUT ?" (INV)":""); ^1da177e Linus Torvalds 2005-04-16 184 return 0; ^1da177e Linus Torvalds 2005-04-16 185 } ^1da177e Linus Torvalds 2005-04-16 186 ^1da177e Linus Torvalds 2005-04-16 187 return 1; e79ec50b Jan Engelhardt 2007-12-17 188 #undef FWINV ^1da177e Linus Torvalds 2005-04-16 189 } ^1da177e Linus Torvalds 2005-04-16 190 ^1da177e Linus Torvalds 2005-04-16 191 static inline int arp_checkentry(const struct arpt_arp *arp) ^1da177e Linus Torvalds 2005-04-16 192 { ^1da177e Linus Torvalds 2005-04-16 193 if (arp->flags & ~ARPT_F_MASK) { ^1da177e Linus Torvalds 2005-04-16 @194 duprintf("Unknown flag bits set: %08X\n", ^1da177e Linus Torvalds 2005-04-16 195 arp->flags & ~ARPT_F_MASK); ^1da177e Linus Torvalds 2005-04-16 196 return 0; ^1da177e Linus Torvalds 2005-04-16 197 } :::::: The code at line 102 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torva...@ppc970.osdl.org> :::::: CC: Linus Torvalds <torva...@ppc970.osdl.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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