WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#54: 
new file mode 100644

WARNING: Prefer strscpy, strscpy_pad, or __nonstring over strncpy - see: https://github.com/KSPP/linux/issues/90
#126: FILE: tools/testing/selftests/net/skf_net_off.c:68:
+	strncpy(ifr.ifr_name, tun_name, IFNAMSIZ - 1);

WARNING: line length of 88 exceeds 80 columns
#138: FILE: tools/testing/selftests/net/skf_net_off.c:80:
+	const int offset_dport = sizeof(struct ip6_hdr) + offsetof(struct udphdr, dest);

WARNING: line length of 83 exceeds 80 columns
#142: FILE: tools/testing/selftests/net/skf_net_off.c:84:
+		BPF_STMT(BPF_LD  + BPF_B   + BPF_ABS, SKF_AD_OFF + SKF_AD_PKTTYPE),

WARNING: line length of 82 exceeds 80 columns
#144: FILE: tools/testing/selftests/net/skf_net_off.c:86:
+		BPF_STMT(BPF_LD  + BPF_B   + BPF_ABS, SKF_NET_OFF + offset_proto),

WARNING: line length of 82 exceeds 80 columns
#146: FILE: tools/testing/selftests/net/skf_net_off.c:88:
+		BPF_STMT(BPF_LD  + BPF_H   + BPF_ABS, SKF_NET_OFF + offset_dport),

WARNING: Prefer ARRAY_SIZE(filter_code)
#153: FILE: tools/testing/selftests/net/skf_net_off.c:95:
+		sizeof(filter_code) / sizeof(filter_code[0]),

WARNING: line length of 82 exceeds 80 columns
#157: FILE: tools/testing/selftests/net/skf_net_off.c:99:
+	if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)))

WARNING: Prefer ARRAY_SIZE(iov)
#220: FILE: tools/testing/selftests/net/skf_net_off.c:162:
+	ret = writev(fd, iov, sizeof(iov) / sizeof(iov[0]));

WARNING: Prefer ARRAY_SIZE(iov)
#244: FILE: tools/testing/selftests/net/skf_net_off.c:186:
+	msg.msg_iovlen = sizeof(iov) / sizeof(iov[0]);

total: 0 errors, 10 warnings, 0 checks, 289 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 569487e093e7 ("selftests/net: test sk_filter support for SKF_NET_OFF on frags") 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, 0 checks, 289 lines checked