WARNING: line length of 85 exceeds 80 columns
#91: FILE: net/ipv4/route.c:1034:
+			for (nhsel = 0; nhsel < fib_info_num_path(res.fi); nhsel++) {

WARNING: line length of 84 exceeds 80 columns
#93: FILE: net/ipv4/route.c:1036:
+				update_or_create_fnhe(nhc, fl4->daddr, 0, mtu, lock,

WARNING: line length of 93 exceeds 80 columns
#94: FILE: net/ipv4/route.c:1037:
+						      jiffies + net->ipv4.ip_rt_mtu_expires);

WARNING: line length of 81 exceeds 80 columns
#125: FILE: tools/testing/selftests/net/pmtu.sh:275:
+	pmtu_ipv6_route_change		ipv6: PMTU exception w/route replace	1

WARNING: line length of 82 exceeds 80 columns
#126: FILE: tools/testing/selftests/net/pmtu.sh:276:
+	pmtu_ipv4_mp_exceptions		ipv4: PMTU multipath nh exceptions	1"

WARNING: line length of 84 exceeds 80 columns
#147: FILE: tools/testing/selftests/net/pmtu.sh:1000:
+	run_cmd ${ns_a} ip nexthop add id 401 via ${prefix4}.${a_r1}.2 dev veth_A-R1

WARNING: line length of 84 exceeds 80 columns
#148: FILE: tools/testing/selftests/net/pmtu.sh:1001:
+	run_cmd ${ns_a} ip nexthop add id 402 via ${prefix4}.${a_r2}.2 dev veth_A-R2

WARNING: line length of 81 exceeds 80 columns
#150: FILE: tools/testing/selftests/net/pmtu.sh:1003:
+	run_cmd ${ns_a} ip route add ${host4_b_addr} src ${host4_a_addr} nhid 403

WARNING: line length of 84 exceeds 80 columns
#154: FILE: tools/testing/selftests/net/pmtu.sh:1007:
+	run_cmd ${ns_b} ip nexthop add id 401 via ${prefix4}.${b_r1}.2 dev veth_B-R1

WARNING: line length of 84 exceeds 80 columns
#155: FILE: tools/testing/selftests/net/pmtu.sh:1008:
+	run_cmd ${ns_b} ip nexthop add id 402 via ${prefix4}.${b_r2}.2 dev veth_B-R2

WARNING: line length of 81 exceeds 80 columns
#157: FILE: tools/testing/selftests/net/pmtu.sh:1010:
+	run_cmd ${ns_b} ip route add ${host4_a_addr} src ${host4_b_addr} nhid 403

WARNING: line length of 98 exceeds 80 columns
#226: FILE: tools/testing/selftests/net/pmtu.sh:1286:
+	pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst1}" dsfield "${policy_mark}")"

WARNING: line length of 98 exceeds 80 columns
#230: FILE: tools/testing/selftests/net/pmtu.sh:1289:
+	pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst2}" dsfield "${policy_mark}")"

WARNING: line length of 98 exceeds 80 columns
#239: FILE: tools/testing/selftests/net/pmtu.sh:1336:
+	pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst1}" dsfield "${policy_mark}")"

WARNING: line length of 98 exceeds 80 columns
#242: FILE: tools/testing/selftests/net/pmtu.sh:1338:
+	pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" "${dst2}" dsfield "${policy_mark}")"

WARNING: line length of 93 exceeds 80 columns
#278: FILE: tools/testing/selftests/net/pmtu.sh:2408:
+	pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" "${host4_b_addr}" oif veth_A-R1)"

WARNING: line length of 93 exceeds 80 columns
#279: FILE: tools/testing/selftests/net/pmtu.sh:2409:
+	pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" "${host4_b_addr}" oif veth_A-R2)"

WARNING: line length of 81 exceeds 80 columns
#281: FILE: tools/testing/selftests/net/pmtu.sh:2411:
+	check_pmtu_value "1500" "${pmtu}" "exceeding MTU (veth_A-R2)" || return 1

WARNING: line length of 81 exceeds 80 columns
#282: FILE: tools/testing/selftests/net/pmtu.sh:2412:
+	check_pmtu_value "1500" "${pmtu}" "exceeding MTU (veth_A-R1)" || return 1

total: 0 errors, 19 warnings, 0 checks, 194 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 7468ed1a284f ("net: ipv4: Cache pmtu for all packet paths if multipath enabled") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 19 warnings, 0 checks, 194 lines checked