WARNING: line length of 83 exceeds 80 columns
#77: FILE: net/ipv4/udp.c:491:
+static void udp4_rehash4(struct udp_table *udptable, struct sock *sk, u16 newhash4)

WARNING: line length of 85 exceeds 80 columns
#110: FILE: net/ipv4/udp.c:524:
+/* In hash4, rehash can also happen in connect(), where hash4_cnt keeps unchanged. */

WARNING: line length of 83 exceeds 80 columns
#111: FILE: net/ipv4/udp.c:525:
+static void udp4_rehash4(struct udp_table *udptable, struct sock *sk, u16 newhash4)

WARNING: line length of 83 exceeds 80 columns
#164: FILE: net/ipv4/udp.c:578:
+	hash = udp_ehashfn(net, inet_sk(sk)->inet_rcv_saddr, inet_sk(sk)->inet_num,

WARNING: line length of 95 exceeds 80 columns
#203: FILE: net/ipv4/udp.c:625:
+		result = udp4_lib_lookup4(net, saddr, sport, daddr, hnum, dif, sdif, udptable);

WARNING: line length of 87 exceeds 80 columns
#275: FILE: net/ipv4/udp.c:2208:
+				    inet_sk(sk)->inet_rcv_saddr, inet_sk(sk)->inet_num,

WARNING: line length of 86 exceeds 80 columns
#276: FILE: net/ipv4/udp.c:2209:
+				    inet_sk(sk)->inet_daddr, inet_sk(sk)->inet_dport);

total: 0 errors, 7 warnings, 0 checks, 242 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 ebf7c9ae82f8 ("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, 242 lines checked