WARNING: line length of 95 exceeds 80 columns
#96: FILE: net/ipv4/udp.c:518:
+		result = udp4_lib_lookup4(net, saddr, sport, daddr, hnum, dif, sdif, udptable);

WARNING: line length of 85 exceeds 80 columns
#108: FILE: net/ipv4/udp.c:1961:
+/* In hash4, rehash can also happen in connect(), where hash4_cnt keeps unchanged. */

WARNING: line length of 83 exceeds 80 columns
#109: FILE: net/ipv4/udp.c:1962:
+static void udp4_rehash4(struct udp_table *udptable, struct sock *sk, u16 newhash4)

WARNING: line length of 83 exceeds 80 columns
#142: FILE: net/ipv4/udp.c:1995:
+	hash = udp_ehashfn(net, inet_sk(sk)->inet_rcv_saddr, inet_sk(sk)->inet_num,

WARNING: line length of 92 exceeds 80 columns
#203: FILE: net/ipv4/udp.c:2099:
+				hslot4 = udp_hashslot4(udptable, udp_sk(sk)->udp_lrpa_hash);

WARNING: line length of 87 exceeds 80 columns
#251: FILE: net/ipv4/udp.c:2175:
+				    inet_sk(sk)->inet_rcv_saddr, inet_sk(sk)->inet_num,

WARNING: line length of 86 exceeds 80 columns
#252: FILE: net/ipv4/udp.c:2176:
+				    inet_sk(sk)->inet_daddr, inet_sk(sk)->inet_dport);

total: 0 errors, 7 warnings, 0 checks, 217 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 64f9a2c3c10e ("ipv4/udp: Add 4-tuple hash for connected socket") 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, 7 warnings, 0 checks, 217 lines checked