========== build_clang - FAILED Documentation/.renames.txt: warning: ignored by one of the .gitignore files ../drivers/net/ipxlat/packet.c:460:18: warning: variable 'ip6' set but not used [-Wunused-but-set-variable] 460 | struct ipv6hdr *ip6; | ^ ../drivers/net/ipxlat/packet.c:702:9: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 702 | csum = csum_ipv6_magic(&iph6->saddr, &iph6->daddr, len, NEXTHDR_ICMP, | ^ ../drivers/net/ipxlat/packet.c:702:9: note: did you mean 'csum_tcpudp_magic'? ../include/asm-generic/checksum.h:52:1: note: 'csum_tcpudp_magic' declared here 52 | csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, | ^ 1 warning and 1 error generated. make[6]: *** [../scripts/Makefile.build:289: drivers/net/ipxlat/packet.o] Error 1 make[6]: *** Waiting for unfinished jobs.... ../drivers/net/ipxlat/icmp_46.c:59:23: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 59 | icmp6->icmp6_cksum = csum_ipv6_magic(&ip6->saddr, &ip6->daddr, | ^ ../drivers/net/ipxlat/icmp_46.c:59:23: note: did you mean 'csum_tcpudp_magic'? ../include/asm-generic/checksum.h:52:1: note: 'csum_tcpudp_magic' declared here 52 | csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, | ^ ../drivers/net/ipxlat/icmp_46.c:77:25: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 77 | icmp6->icmp6_cksum = ~csum_ipv6_magic(&ip6->saddr, &ip6->daddr, | ^ 2 errors generated. make[6]: *** [../scripts/Makefile.build:289: drivers/net/ipxlat/icmp_46.o] Error 1 ../drivers/net/ipxlat/icmp_64.c:56:21: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 56 | tmp = ~csum_unfold(csum_ipv6_magic(&in6->saddr, &in6->daddr, l4_len, | ^ ../drivers/net/ipxlat/icmp_64.c:56:21: note: did you mean 'csum_tcpudp_magic'? ../include/asm-generic/checksum.h:52:1: note: 'csum_tcpudp_magic' declared here 52 | csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, | ^ 1 error generated. make[6]: *** [../scripts/Makefile.build:289: drivers/net/ipxlat/icmp_64.o] Error 1 make[5]: *** [../scripts/Makefile.build:546: drivers/net/ipxlat] Error 2 make[4]: *** [../scripts/Makefile.build:546: drivers/net] Error 2 make[4]: *** Waiting for unfinished jobs.... make[3]: *** [../scripts/Makefile.build:546: drivers] Error 2 make[2]: *** [/srv/nipa-poller/net-next/wt-1/Makefile:2101: .] Error 2 make[1]: *** [/srv/nipa-poller/net-next/wt-1/Makefile:248: __sub-make] Error 2 make: *** [Makefile:248: __sub-make] Error 2 Documentation/.renames.txt: warning: ignored by one of the .gitignore files ../drivers/net/ipxlat/packet.c:460:18: warning: variable 'ip6' set but not used [-Wunused-but-set-variable] 460 | struct ipv6hdr *ip6; | ^ ../drivers/net/ipxlat/packet.c:702:9: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 702 | csum = csum_ipv6_magic(&iph6->saddr, &iph6->daddr, len, NEXTHDR_ICMP, | ^ ../drivers/net/ipxlat/packet.c:702:9: note: did you mean 'csum_tcpudp_magic'? ../include/asm-generic/checksum.h:52:1: note: 'csum_tcpudp_magic' declared here 52 | csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, | ^ 1 warning and 1 error generated. make[6]: *** [../scripts/Makefile.build:289: drivers/net/ipxlat/packet.o] Error 1 make[6]: *** Waiting for unfinished jobs.... ../drivers/net/ipxlat/icmp_46.c:254:23: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 254 | icmp6->icmp6_cksum = csum_ipv6_magic(&ip6->saddr, &ip6->daddr, | ^ ../drivers/net/ipxlat/icmp_46.c:254:23: note: did you mean 'csum_tcpudp_magic'? ../include/asm-generic/checksum.h:52:1: note: 'csum_tcpudp_magic' declared here 52 | csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, | ^ ../drivers/net/ipxlat/icmp_46.c:272:25: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 272 | icmp6->icmp6_cksum = ~csum_ipv6_magic(&ip6->saddr, &ip6->daddr, | ^ ../drivers/net/ipxlat/icmp_46.c:331:43: warning: variable 'inner_l4_off' set but not used [-Wunused-but-set-variable] 331 | unsigned int inner_l3_len, inner_l3_off, inner_l4_off, old_prefix, | ^ 1 warning and 2 errors generated. make[6]: *** [../scripts/Makefile.build:289: drivers/net/ipxlat/icmp_46.o] Error 1 ../drivers/net/ipxlat/icmp_64.c:191:21: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 191 | tmp = ~csum_unfold(csum_ipv6_magic(&in6->saddr, &in6->daddr, l4_len, | ^ ../drivers/net/ipxlat/icmp_64.c:191:21: note: did you mean 'csum_tcpudp_magic'? ../include/asm-generic/checksum.h:52:1: note: 'csum_tcpudp_magic' declared here 52 | csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, | ^ 1 error generated. make[6]: *** [../scripts/Makefile.build:289: drivers/net/ipxlat/icmp_64.o] Error 1 make[5]: *** [../scripts/Makefile.build:546: drivers/net/ipxlat] Error 2 make[4]: *** [../scripts/Makefile.build:546: drivers/net] Error 2 make[4]: *** Waiting for unfinished jobs.... make[3]: *** [../scripts/Makefile.build:546: drivers] Error 2 make[2]: *** [/srv/nipa-poller/net-next/wt-1/Makefile:2101: .] Error 2 make[1]: *** [/srv/nipa-poller/net-next/wt-1/Makefile:248: __sub-make] Error 2 make: *** [Makefile:248: __sub-make] Error 2 New errors added --- /tmp/tmp.gXbbMwEtw0 2026-03-19 12:40:26.253525276 -0400 +++ /tmp/tmp.6ri7bRMk1E 2026-03-19 12:40:36.241447893 -0400 @@ -15,2 +15,2 @@ -../drivers/net/ipxlat/icmp_46.c:59:23: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] - 59 | icmp6->icmp6_cksum = csum_ipv6_magic(&ip6->saddr, &ip6->daddr, +../drivers/net/ipxlat/icmp_46.c:254:23: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] + 254 | icmp6->icmp6_cksum = csum_ipv6_magic(&ip6->saddr, &ip6->daddr, @@ -18 +18 @@ -../drivers/net/ipxlat/icmp_46.c:59:23: note: did you mean 'csum_tcpudp_magic'? +../drivers/net/ipxlat/icmp_46.c:254:23: note: did you mean 'csum_tcpudp_magic'? @@ -22,2 +22,2 @@ -../drivers/net/ipxlat/icmp_46.c:77:25: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] - 77 | icmp6->icmp6_cksum = ~csum_ipv6_magic(&ip6->saddr, &ip6->daddr, +../drivers/net/ipxlat/icmp_46.c:272:25: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] + 272 | icmp6->icmp6_cksum = ~csum_ipv6_magic(&ip6->saddr, &ip6->daddr, @@ -25 +25,4 @@ -2 errors generated. +../drivers/net/ipxlat/icmp_46.c:331:43: warning: variable 'inner_l4_off' set but not used [-Wunused-but-set-variable] + 331 | unsigned int inner_l3_len, inner_l3_off, inner_l4_off, old_prefix, + | ^ +1 warning and 2 errors generated. @@ -27,2 +30,2 @@ -../drivers/net/ipxlat/icmp_64.c:56:21: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] - 56 | tmp = ~csum_unfold(csum_ipv6_magic(&in6->saddr, &in6->daddr, l4_len, +../drivers/net/ipxlat/icmp_64.c:191:21: error: call to undeclared function 'csum_ipv6_magic'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] + 191 | tmp = ~csum_unfold(csum_ipv6_magic(&in6->saddr, &in6->daddr, l4_len, @@ -30 +33 @@ -../drivers/net/ipxlat/icmp_64.c:56:21: note: did you mean 'csum_tcpudp_magic'? +../drivers/net/ipxlat/icmp_64.c:191:21: note: did you mean 'csum_tcpudp_magic'? Per-file breakdown --- /tmp/tmp.V9Kj1oZjq7 2026-03-19 12:40:36.246447854 -0400 +++ /tmp/tmp.HiW2LSlIAo 2026-03-19 12:40:36.247447846 -0400 @@ -1 +1 @@ - 2 ../drivers/net/ipxlat/icmp_46.c + 3 ../drivers/net/ipxlat/icmp_46.c