WARNING: line length of 86 exceeds 80 columns
#64: FILE: tools/testing/selftests/net/cmsg_sender.c:121:
+	while ((o = getopt(argc, argv, "46sS:p:P:m:M:n:d:tf:F:c:C:l:L:H:Q:")) != -1) {

CHECK: Alignment should match open parenthesis
#84: FILE: tools/testing/selftests/net/cmsg_sender.c:263:
+	ca_write_cmsg_u32(cbuf, cbuf_sz, &cmsg_len,
+			SOL_SOCKET, SO_PRIORITY, &opt.priority);

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#89: 
new file mode 100755

total: 0 errors, 2 warnings, 1 checks, 201 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 9c07f6e74a00 ("selftests: net: test SO_PRIORITY ancillary data with cmsg_sender") 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, 2 warnings, 1 checks, 201 lines checked