WARNING: line length of 85 exceeds 80 columns
#104: 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
#106: FILE: net/ipv4/route.c:1036:
+				update_or_create_fnhe(nhc, fl4->daddr, 0, mtu, lock,

WARNING: line length of 97 exceeds 80 columns
#107: FILE: net/ipv4/route.c:1037:
+							  jiffies + net->ipv4.ip_rt_mtu_expires);

CHECK: Alignment should match open parenthesis
#107: FILE: net/ipv4/route.c:1037:
+				update_or_create_fnhe(nhc, fl4->daddr, 0, mtu, lock,
+							  jiffies + net->ipv4.ip_rt_mtu_expires);

WARNING: line length of 81 exceeds 80 columns
#125: FILE: tools/testing/selftests/net/pmtu.sh:269:
+	pmtu_ipv6_route_change		ipv6: PMTU exception w/route replace	1

WARNING: line length of 90 exceeds 80 columns
#126: FILE: tools/testing/selftests/net/pmtu.sh:270:
+	pmtu_ipv4_mp_exceptions		ipv4: PMTU multipath nh exceptions		0"

WARNING: line length of 84 exceeds 80 columns
#170: FILE: tools/testing/selftests/net/pmtu.sh:2369:
+	run_cmd ${ns_a} ip nexthop add id 201 via ${prefix4}.${a_r1}.2 dev veth_A-R1

WARNING: line length of 84 exceeds 80 columns
#171: FILE: tools/testing/selftests/net/pmtu.sh:2370:
+	run_cmd ${ns_a} ip nexthop add id 202 via ${prefix4}.${a_r2}.2 dev veth_A-R2

WARNING: line length of 84 exceeds 80 columns
#181: FILE: tools/testing/selftests/net/pmtu.sh:2380:
+	run_cmd ${ns_b} ip nexthop add id 201 via ${prefix4}.${b_r1}.2 dev veth_A-R1

WARNING: line length of 84 exceeds 80 columns
#182: FILE: tools/testing/selftests/net/pmtu.sh:2381:
+	run_cmd ${ns_b} ip nexthop add id 202 via ${prefix4}.${b_r2}.2 dev veth_A-R2

WARNING: line length of 86 exceeds 80 columns
#201: FILE: tools/testing/selftests/net/pmtu.sh:2400:
+	if [ "$(${ns_a} ip -oneline route list cache| grep mtu | wc -l)" -ne 2 ]; then

total: 0 errors, 10 warnings, 1 checks, 109 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 1ed16c6bd1db ("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, 10 warnings, 1 checks, 109 lines checked