WARNING: line length of 82 exceeds 80 columns
#34: FILE: tools/testing/selftests/net/ncdevmem.c:122:
+		fprintf(stderr, "Running: %s\n", command);                       \

WARNING: line length of 83 exceeds 80 columns
#61: FILE: tools/testing/selftests/net/ncdevmem.c:145:
+	return run_command("sudo ethtool -X %s equal %d >&2", ifname, start_queue);

WARNING: line length of 120 exceeds 80 columns
#70: FILE: tools/testing/selftests/net/ncdevmem.c:155:
+	return run_command("sudo ethtool -N %s flow-type tcp4 src-ip %s dst-ip %s src-port %s dst-port %s queue %d >&2",

total: 0 errors, 3 warnings, 0 checks, 178 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 f4f30710116a ("selftests: ncdevmem: Redirect all non-payload output to stderr") 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, 3 warnings, 0 checks, 178 lines checked